title
Design Patterns in Java | Java Design Patterns for Beginners | Design Patterns Tutorial | Edureka

description
**Java, J2EE & SOA Certification Training - https://www.edureka.co/java-j2ee-training-course ** This Edureka video on "design patterns in java" will provide you with detailed knowledge about Java Design Patterns and along with it, This video will also cover some real-time examples of some important Design Patterns in Java, in order to provide you with a deep understanding about their functionality. This video will cover the following topics: 00:32 Why do we need Design Patterns? 01:35 Structure of Design Patterns 03:56 Types of Design Patterns 04:15 Creational Design Patterns 04:45 Factory Design Pattern 06:35 Singleton Design Design Pattern 10:10 Structural Design Patterns 10:47 Facade Design Pattern 12:14 Adapter Design Pattern 14:15 Behavioral Design Patterns 14:52 Strategy Design Pattern 16:25 Command Design Pattern 18:15 Observer Design Pattern 19:37 JEE Design Patterns 20:14 MVC Design Pattern 22:00 DAO Design Pattern 23:20 Overview of Design Patterns Complete Java Playlist: http://bit.ly/2XcYNH5 Complete Blog Series: http://bit.ly/2YoabkT Java Podcast: http://bit.ly/2xmjVAv To subscribe to our channel and hit the bell icon to never miss an update from us in the future: https://goo.gl/6ohpTV Instagram: https://www.instagram.com/edureka_learning Slideshare: https://www.slideshare.net/EdurekaIN/ Facebook: https://www.facebook.com/edurekaIN/ Twitter: https://twitter.com/edurekain LinkedIn: https://www.linkedin.com/company/edureka Castbox: https://castbox.fm/networks/505?country=in ---------------------------------------------------------------------------------------------------------- About The Course: Edureka’s Advanced Java Certification Training is designed for students and professionals who want to be a Java Developer. This 42-hour course which will cover both core and advanced Java concepts like Java Array, Collections, Database connectivity, Threads, Exception Handling, JSP, Servlets, XML handling etc. You will also learn various Java frameworks like Hibernate and Spring. ---------------------------------------------------------------------------------------------------------- What are the Objectives of our Java Online Course? Our Java Certification Training is designed by industry experts to make you a Certified Java Developer. Following are the objectives our course offers: In-depth knowledge of Java data types, conditional statements and loops, multi-threading and exception handling, a database using hibernate framework Comprehensive knowledge of object-oriented programming through Java using Classes, Objects and various Java concepts like Abstract, Final etc and parse XML files using DOM and SAX The capability to implement arrays, functions and string handling techniques, JDBC to communicate with Database, SOA using web services The exposure to many real-life industry-based projects Projects which are diverse in nature covering banking, telecommunication, social media, insurance, and e-commerce domains Rigorous involvement of an SME throughout the Java Training to learn industry standards and best practices ---------------------------------------------------------------------------------------------------------- Why Should you go for Java Online Training Certification? Java is a general-purpose, class-based, object-oriented computer programming language that was designed by James Gosling at Sun Microsystems in 1995. Key Features of Java: Platform Independent Usability of Java Open Source Android Hadoop in Java Despite having a tough competition on the server side from Microsoft and other companies, Java is doing extremely well on mobile platforms, thanks to Android! It has also been the primary language for Hadoop Developers. ---------------------------------------------------------------------------------------------------------- Who should go for the Java Certification Course? This course is designed for professionals aspiring to become: Java Developers Programmers Web Developers Web Designers Programming Hobbyists Database Administrators Youngsters who want to kick-start their career are the key beneficiaries of this course ---------------------------------------------------------------------------------------------------------- What are the pre-requisites for our Java Training? There is no pre-requisite for this course. Prior exposure to object-oriented programming concepts is not required, but beneficial. ---------------------------------------------------------------------------------------------------------- For more information, please write back to us at sales@edureka.in or call us at IND: 9606058406 / US: 18338555775 (toll-free)

detail
{'title': 'Design Patterns in Java | Java Design Patterns for Beginners | Design Patterns Tutorial | Edureka', 'heatmap': [{'end': 374.633, 'start': 315.718, 'weight': 1}, {'end': 412.375, 'start': 382.536, 'weight': 0.73}, {'end': 710.835, 'start': 688.667, 'weight': 0.708}], 'summary': 'Tutorial on java design patterns covers the need for design patterns, types of java design patterns, practical implementation of creation, structural, behavioral, and jee design patterns with examples, and the overview of mvc and dao design patterns in a practical example.', 'chapters': [{'end': 120.118, 'segs': [{'end': 120.118, 'src': 'embed', 'start': 53.911, 'weight': 0, 'content': [{'end': 56.033, 'text': 'I hope I made myself clear with the agenda.', 'start': 53.911, 'duration': 2.122}, {'end': 58.434, 'text': 'Now, let us begin with our first topic.', 'start': 56.473, 'duration': 1.961}, {'end': 60.636, 'text': 'Why do we need design patterns?', 'start': 59.135, 'duration': 1.501}, {'end': 68.085, 'text': 'We need Java design patterns to provide easy to recognize and use object-oriented programming solutions to common problems.', 'start': 61.579, 'duration': 6.506}, {'end': 74.291, 'text': 'They are inherently easy to maintain as many developers are familiar with them in some other cases.', 'start': 68.626, 'duration': 5.665}, {'end': 79.116, 'text': 'The pattern is also a way to deal with the inefficiencies of a programming language.', 'start': 74.532, 'duration': 4.584}, {'end': 82.9, 'text': 'So our next topic is what are design patterns?', 'start': 80.057, 'duration': 2.843}, {'end': 94.717, 'text': 'Software. design patterns can be defined as a software template or a description to solve the problem that occurs in multiple instances while designing a software application or a software framework.', 'start': 84.125, 'duration': 10.592}, {'end': 98.281, 'text': 'Now, let us deal with the structure of design patterns.', 'start': 95.438, 'duration': 2.843}, {'end': 102.817, 'text': 'Structure of any design pattern is considered to be highly organized.', 'start': 99.315, 'duration': 3.502}, {'end': 111.542, 'text': 'They are often documented in the form of a template, such that the users can visually identify the problem and instantaneously find solution to it,', 'start': 103.397, 'duration': 8.145}, {'end': 114.464, 'text': 'based on the relationship between the classes and objects.', 'start': 111.542, 'duration': 2.922}, {'end': 120.118, 'text': 'The design patterns template described by the original authors of the design patterns are as follows.', 'start': 115.194, 'duration': 4.924}], 'summary': 'Java design patterns provide easy solutions to common problems. they help maintain code and deal with language inefficiencies.', 'duration': 66.207, 'max_score': 53.911, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-853911.jpg'}], 'start': 11.138, 'title': 'Understanding java design patterns', 'summary': 'Discusses the need for java design patterns to provide easy-to-recognize object-oriented programming solutions to common problems, the structure of design patterns, and the types of design patterns.', 'chapters': [{'end': 120.118, 'start': 11.138, 'title': 'Understanding java design patterns', 'summary': 'Discusses the need for java design patterns to provide easy-to-recognize object-oriented programming solutions to common problems, the structure of design patterns, and the types of design patterns.', 'duration': 108.98, 'highlights': ['Java design patterns provide easy to recognize and use object-oriented programming solutions to common problems, making them inherently easy to maintain as many developers are familiar with them.', 'Design patterns can be defined as a software template or a description to solve problems occurring in multiple instances while designing a software application, providing a way to deal with the inefficiencies of a programming language.', 'The structure of design patterns is highly organized, often documented in the form of a template for users to visually identify the problem and find solutions based on the relationship between classes and objects.']}], 'duration': 108.98, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-811138.jpg', 'highlights': ['Java design patterns provide easy to recognize and use object-oriented programming solutions to common problems, making them inherently easy to maintain as many developers are familiar with them.', 'Design patterns can be defined as a software template or a description to solve problems occurring in multiple instances while designing a software application, providing a way to deal with the inefficiencies of a programming language.', 'The structure of design patterns is highly organized, often documented in the form of a template for users to visually identify the problem and find solutions based on the relationship between classes and objects.']}, {'end': 586.417, 'segs': [{'end': 295.395, 'src': 'embed', 'start': 265.533, 'weight': 0, 'content': [{'end': 268.737, 'text': 'The Creational Design Patterns are further classified as follows.', 'start': 265.533, 'duration': 3.204}, {'end': 277.886, 'text': 'They are Factory Design Pattern, Abstract Factory Pattern, Singleton Pattern, Prototype Pattern, Builder Pattern and Object Pool Pattern.', 'start': 269.297, 'duration': 8.589}, {'end': 282.468, 'text': 'Let us discuss some of the important creation of Java design patterns practically.', 'start': 278.506, 'duration': 3.962}, {'end': 285.41, 'text': 'The first one would be factory design pattern.', 'start': 282.488, 'duration': 2.922}, {'end': 292.013, 'text': 'The factory design pattern follows the principle of define an interface abstract class for creating an object,', 'start': 286.13, 'duration': 5.883}, {'end': 295.395, 'text': 'but let the subclasses decide which class to instantiate.', 'start': 292.013, 'duration': 3.382}], 'summary': 'Java creational design patterns include factory, abstract factory, singleton, prototype, builder, and object pool patterns.', 'duration': 29.862, 'max_score': 265.533, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8265533.jpg'}, {'end': 374.633, 'src': 'heatmap', 'start': 315.718, 'weight': 1, 'content': [{'end': 324.322, 'text': 'Here we have three different networks namely ABC network, PQR network and XYZ network along with their charges per minute.', 'start': 315.718, 'duration': 8.604}, {'end': 328.413, 'text': 'Let us find out the cost of a certain number of minutes on each network.', 'start': 324.87, 'duration': 3.543}, {'end': 331.415, 'text': 'So this is the UML diagram for our example.', 'start': 328.893, 'duration': 2.522}, {'end': 333.837, 'text': 'Now let us execute this practically.', 'start': 331.975, 'duration': 1.862}, {'end': 337.9, 'text': 'As you can see we have begun with a factory design pattern example.', 'start': 334.738, 'duration': 3.162}, {'end': 346.346, 'text': 'Here we have the first network which is the ABC network and similarly the PQR network and XYZ network.', 'start': 338.38, 'duration': 7.966}, {'end': 349.749, 'text': 'All of these networks have different costs for their plans.', 'start': 347.007, 'duration': 2.742}, {'end': 357.587, 'text': 'Now, let us execute our factory design pattern to find out the cost of each and every network for a particular number of minutes used.', 'start': 350.485, 'duration': 7.102}, {'end': 361.069, 'text': 'So, this is our factory method.', 'start': 359.448, 'duration': 1.621}, {'end': 362.729, 'text': 'Now, let us execute it.', 'start': 361.529, 'duration': 1.2}, {'end': 374.633, 'text': 'As you can see, the console is asking us for the network we want to use and we have three networks here.', 'start': 369.031, 'duration': 5.602}], 'summary': 'Analyzing cost of minutes on three networks using factory design pattern.', 'duration': 58.915, 'max_score': 315.718, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8315718.jpg'}, {'end': 412.375, 'src': 'embed', 'start': 382.536, 'weight': 1, 'content': [{'end': 383.977, 'text': 'Let us take 35 minutes.', 'start': 382.536, 'duration': 1.441}, {'end': 390.46, 'text': 'As you can see, the ABC network will cost us 52.5 rupees for 35 minutes of talk time.', 'start': 384.777, 'duration': 5.683}, {'end': 396.942, 'text': 'Now, let us deal with the next type of creational Java design pattern, which is the Singleton design pattern.', 'start': 391, 'duration': 5.942}, {'end': 405.366, 'text': 'The Singleton design pattern follows the principle of define a class that has only one instance and provides a global point of access to it.', 'start': 397.583, 'duration': 7.783}, {'end': 412.375, 'text': 'The class must ensure that only a single instance should be created and a single object can be used by all other classes.', 'start': 405.911, 'duration': 6.464}], 'summary': 'The abc network offers 35 minutes of talk time for 52.5 rupees, and the discussion shifts to the singleton design pattern in java.', 'duration': 29.839, 'max_score': 382.536, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8382536.jpg'}, {'end': 412.375, 'src': 'heatmap', 'start': 382.536, 'weight': 0.73, 'content': [{'end': 383.977, 'text': 'Let us take 35 minutes.', 'start': 382.536, 'duration': 1.441}, {'end': 390.46, 'text': 'As you can see, the ABC network will cost us 52.5 rupees for 35 minutes of talk time.', 'start': 384.777, 'duration': 5.683}, {'end': 396.942, 'text': 'Now, let us deal with the next type of creational Java design pattern, which is the Singleton design pattern.', 'start': 391, 'duration': 5.942}, {'end': 405.366, 'text': 'The Singleton design pattern follows the principle of define a class that has only one instance and provides a global point of access to it.', 'start': 397.583, 'duration': 7.783}, {'end': 412.375, 'text': 'The class must ensure that only a single instance should be created and a single object can be used by all other classes.', 'start': 405.911, 'duration': 6.464}], 'summary': 'Abc network costs 52.5 rupees for 35 minutes. singleton design pattern ensures only one instance.', 'duration': 29.839, 'max_score': 382.536, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8382536.jpg'}, {'end': 480.255, 'src': 'embed', 'start': 451.835, 'weight': 2, 'content': [{'end': 455.578, 'text': 'So as you can see, this is the example for our singleton design pattern.', 'start': 451.835, 'duration': 3.743}, {'end': 460.961, 'text': 'So this is a program for our JDBC connector, which will be connecting to our MySQL database.', 'start': 456.158, 'duration': 4.803}, {'end': 467.006, 'text': 'And this is a program for the operations, which we will be performing on our MySQL database.', 'start': 461.742, 'duration': 5.264}, {'end': 469.567, 'text': 'Now, if I execute this program,', 'start': 467.686, 'duration': 1.881}, {'end': 476.352, 'text': 'this program will throw an error because I have a virtual machine on my system which will be using all the virtual ports.', 'start': 469.567, 'duration': 6.785}, {'end': 480.255, 'text': 'So before I begin this program, I need to switch off all the VMware ports.', 'start': 476.812, 'duration': 3.443}], 'summary': 'Example of singleton design pattern for jdbc connector with mysql database operations, requiring vmware ports to be switched off for execution.', 'duration': 28.42, 'max_score': 451.835, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8451835.jpg'}], 'start': 120.959, 'title': 'Java design patterns and practical implementation', 'summary': 'Covers essential elements of design patterns, types of java design patterns, including creation, structural, behavioral, and jee design patterns, and emphasizes the practical implementation of factory and singleton design patterns with examples related to cellular network plans and database operations.', 'chapters': [{'end': 202.251, 'start': 120.959, 'title': 'Design patterns: name, intent, and classification', 'summary': 'Discusses the essential elements of design patterns, including pattern name, intent, motivation, applicability, participants, collaborations, consequences, and implementation, emphasizing their significance in addressing design issues.', 'duration': 81.292, 'highlights': ['The pattern name and classification are crucial as they specify the essence and type of a pattern, becoming a part of the design vocabulary.', 'Intent serves as a short statement defining what the pattern does and the design issue it addresses.', 'Motivation is illustrated through scenarios, showcasing design problems and how class and object structures solve them.', 'Applicability specifies the situations in which a design pattern can be applied and the examples it addresses.', 'Participants and collaborations involve the entities and their responsibilities, along with how they collaborate to carry out these responsibilities.', 'Consequences outline the cost and benefits of using a pattern, as well as the parts of the system that can be changed independently.', 'Implementation details the practical aspects of applying a certain pattern.']}, {'end': 306.654, 'start': 202.872, 'title': 'Types of java design patterns', 'summary': 'Discusses the types of java design patterns, including creation, structural, behavioral, and jee design patterns, and emphasizes on the creational design patterns, such as factory, abstract factory, singleton, prototype, builder, and object pool patterns.', 'duration': 103.782, 'highlights': ['The chapter discusses the types of Java design patterns, including creation, structural, behavioral, and JEE design patterns, and emphasizes on the creational design patterns, such as Factory, Abstract Factory, Singleton, Prototype, Builder, and Object Pool patterns.', 'Creational Design Patterns are concerned with the method of creating objects and are further classified as Factory Design Pattern, Abstract Factory Pattern, Singleton Pattern, Prototype Pattern, Builder Pattern, and Object Pool Pattern.', 'The factory design pattern follows the principle of defining an interface abstract class for creating an object, but let the subclasses decide which class to instantiate.']}, {'end': 586.417, 'start': 307.234, 'title': 'Factory & singleton design patterns', 'summary': 'Discusses the practical implementation of the factory design pattern to calculate the cost of cellular network plans and the execution of the singleton design pattern for database operations, encountering an issue with vmware ports. it also highlights the principles and advantages of the singleton design pattern.', 'duration': 279.183, 'highlights': ['The factory design pattern is practically executed to calculate the cost of cellular network plans for a certain number of minutes, resulting in 52.5 rupees for 35 minutes of talk time on the ABC network. The factory design pattern is used to calculate the cost of cellular network plans practically, revealing that 35 minutes of talk time on the ABC network costs 52.5 rupees.', 'The chapter presents the practical execution of the singleton design pattern for database operations, encountering an error due to the usage of virtual ports by the VMware, which needed to be switched off before execution. The practical execution of the singleton design pattern for database operations encounters an error caused by virtual ports used by VMware, requiring them to be switched off before execution.', 'The chapter explains the principles and advantages of the singleton design pattern, emphasizing its memory-saving design and the reuse of a single instance for all requests. The chapter elaborates on the principles and advantages of the singleton design pattern, highlighting its memory-saving design and the reuse of a single instance for all requests.']}], 'duration': 465.458, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8120959.jpg', 'highlights': ['The chapter discusses the types of Java design patterns, including creation, structural, behavioral, and JEE design patterns, and emphasizes on the creational design patterns, such as Factory, Abstract Factory, Singleton, Prototype, Builder, and Object Pool patterns.', 'The factory design pattern is practically executed to calculate the cost of cellular network plans for a certain number of minutes, resulting in 52.5 rupees for 35 minutes of talk time on the ABC network. The factory design pattern is used to calculate the cost of cellular network plans practically, revealing that 35 minutes of talk time on the ABC network costs 52.5 rupees.', 'The chapter presents the practical execution of the singleton design pattern for database operations, encountering an error due to the usage of virtual ports by the VMware, which needed to be switched off before execution. The practical execution of the singleton design pattern for database operations encounters an error caused by virtual ports used by VMware, requiring them to be switched off before execution.']}, {'end': 850.263, 'segs': [{'end': 678.564, 'src': 'embed', 'start': 650.727, 'weight': 0, 'content': [{'end': 656.331, 'text': 'The facade design pattern describes a higher level interface that makes a subsystem easier to use.', 'start': 650.727, 'duration': 5.604}, {'end': 660.093, 'text': 'Every abstract factory is a facade design pattern.', 'start': 657.131, 'duration': 2.962}, {'end': 666.857, 'text': 'The major advantage of facade design pattern is it protects the end users from the complex subsystem components.', 'start': 660.633, 'duration': 6.224}, {'end': 671.6, 'text': 'Let us deal with an example to understand facade design patterns in a much better way.', 'start': 667.357, 'duration': 4.243}, {'end': 678.564, 'text': 'Let us assume that we have a business plan and we are trying to purchase the franchise of one of the top food and beverages companies.', 'start': 672.262, 'duration': 6.302}], 'summary': 'Facade pattern simplifies subsystem use, protecting users. example: buying franchise.', 'duration': 27.837, 'max_score': 650.727, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8650727.jpg'}, {'end': 714.576, 'src': 'heatmap', 'start': 688.667, 'weight': 0.708, 'content': [{'end': 692.808, 'text': 'This is the UML diagram of the facade design pattern.', 'start': 688.667, 'duration': 4.141}, {'end': 695.269, 'text': 'Now, let us execute this code practically.', 'start': 693.228, 'duration': 2.041}, {'end': 705.013, 'text': "So this is the code for one of the franchise which happens to be Domino's and the next one is the KFC and the last one is the McDonald's.", 'start': 696.67, 'duration': 8.343}, {'end': 710.835, 'text': 'Now this is the franchise service registration code and finally this is the client code.', 'start': 705.713, 'duration': 5.122}, {'end': 714.576, 'text': 'Now let us try to execute this program and find out the output.', 'start': 711.575, 'duration': 3.001}], 'summary': "Uml diagram depicts facade pattern. code executed for domino's, kfc, and mcdonald's franchises.", 'duration': 25.909, 'max_score': 688.667, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8688667.jpg'}, {'end': 793.679, 'src': 'embed', 'start': 725.566, 'weight': 2, 'content': [{'end': 726.847, 'text': 'Let us select KFC.', 'start': 725.566, 'duration': 1.281}, {'end': 733.711, 'text': 'As you can see we have got the output here and it says the franchise cost for KFC is one crore.', 'start': 727.767, 'duration': 5.944}, {'end': 739.334, 'text': 'Now let us deal with the next structural design pattern which happens to be the adapter design pattern.', 'start': 734.391, 'duration': 4.943}, {'end': 747.138, 'text': 'The adapter design pattern provides an interface according to client requirement while using the services of a class with different interface.', 'start': 740.034, 'duration': 7.104}, {'end': 750.468, 'text': 'The adapter pattern is also known as a wrapper.', 'start': 747.907, 'duration': 2.561}, {'end': 759.211, 'text': 'The major advantage of an adapter design pattern is it is designed to enable two or more previously incomplete objects to interact with each other.', 'start': 750.968, 'duration': 8.243}, {'end': 770.616, 'text': 'Let us deal with an example of adapter design pattern where we have a simple library card example which is designed to issue a library card to a new user of a library which includes all the details,', 'start': 759.691, 'duration': 10.925}, {'end': 774.257, 'text': 'like book holder ID, account number and many more.', 'start': 770.616, 'duration': 3.641}, {'end': 778.305, 'text': 'Let us execute this adapter design pattern and see how does it work.', 'start': 774.778, 'duration': 3.527}, {'end': 781.472, 'text': 'So this is the UML diagram for our example.', 'start': 779.127, 'duration': 2.345}, {'end': 784.017, 'text': 'Now let us execute this practically.', 'start': 782.113, 'duration': 1.904}, {'end': 793.679, 'text': 'So this particular segment of code deals with the bookholder ID, name and account number, and the next one is related to the library card.', 'start': 784.676, 'duration': 9.003}], 'summary': 'Kfc franchise cost is one crore; discusses adapter design pattern advantages and example.', 'duration': 68.113, 'max_score': 725.566, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8725566.jpg'}], 'start': 587.457, 'title': 'Design patterns in employee data management', 'summary': 'Covers updating employee data and introduces structural design patterns, emphasizing the facade design pattern with its advantages and a practical example applied to franchise purchasing. it also discusses the adapter design pattern and its role in enabling interaction between incomplete objects, with a practical application through a library card example and a franchise cost of kfc being one crore.', 'chapters': [{'end': 724.88, 'start': 587.457, 'title': 'Updating employee data and structural design patterns', 'summary': 'Covers updating employee data in the database, and introduces the concept of structural design patterns, particularly focusing on the facade design pattern, including its advantages and a practical example of applying it to franchise purchasing, along with code execution.', 'duration': 137.423, 'highlights': ['The chapter introduces the concept of structural design patterns, particularly focusing on the facade design pattern, including its advantages and a practical example of applying it to franchise purchasing, along with code execution.', 'The structural design patterns simplify the structure by identifying the relationship between the classes and objects, and are further classified as facade design pattern, bridge design pattern, composite design pattern, decorator pattern, adapter design pattern, flyweight design pattern, proxy design pattern, and filter design pattern.', 'The facade design pattern describes a higher level interface that makes a subsystem easier to use, and every abstract factory is a facade design pattern, providing the major advantage of protecting end users from complex subsystem components.', 'An example is discussed to understand facade design patterns in a much better way, focusing on the practical application of the facade design pattern to find out the cost of purchasing various franchise options, including UML diagram, code execution, and output demonstration.']}, {'end': 850.263, 'start': 725.566, 'title': 'Adapter design pattern in practice', 'summary': 'Discusses the adapter design pattern, highlighting its role in enabling interaction between incomplete objects and its practical application through a library card example, with a franchise cost of kfc being one crore.', 'duration': 124.697, 'highlights': ['The franchise cost for KFC is one crore, as mentioned in the output.', 'The adapter design pattern enables previously incomplete objects to interact with each other, providing an interface according to client requirement.', 'The practical example of the adapter design pattern involves the issuance of a library card to a new user, including details like book holder ID and account number.', 'The UML diagram is presented for the adapter design pattern example, followed by the execution of the code to obtain library details and the interaction with the adapter class.', 'The successful issuance of a library card is demonstrated, with the account number 201907 of current in MG library being validated and authenticated.']}], 'duration': 262.806, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8587457.jpg', 'highlights': ['The chapter introduces the concept of structural design patterns, particularly focusing on the facade design pattern, including its advantages and a practical example of applying it to franchise purchasing, along with code execution.', 'The facade design pattern describes a higher level interface that makes a subsystem easier to use, and every abstract factory is a facade design pattern, providing the major advantage of protecting end users from complex subsystem components.', 'The adapter design pattern enables previously incomplete objects to interact with each other, providing an interface according to client requirement.', 'The practical example of the adapter design pattern involves the issuance of a library card to a new user, including details like book holder ID and account number.', 'The franchise cost for KFC is one crore, as mentioned in the output.']}, {'end': 1180.286, 'segs': [{'end': 876.132, 'src': 'embed', 'start': 850.883, 'weight': 3, 'content': [{'end': 856.188, 'text': 'Now, let us deal with the next type of Java design patterns, which happens to be the behavioral design pattern.', 'start': 850.883, 'duration': 5.305}, {'end': 861.767, 'text': 'The behavioral design patterns are concerned with the responsibility and interaction between the objects.', 'start': 856.966, 'duration': 4.801}, {'end': 868.669, 'text': 'These design patterns make sure that the objects are loosely coupled yet can easily communicate with each other.', 'start': 862.328, 'duration': 6.341}, {'end': 874.531, 'text': 'The behavioral design patterns are further classified as below chain of responsibility pattern.', 'start': 868.689, 'duration': 5.842}, {'end': 876.132, 'text': 'strategy design pattern.', 'start': 874.531, 'duration': 1.601}], 'summary': 'This transcript discusses behavioral design patterns in java, including chain of responsibility and strategy design patterns.', 'duration': 25.249, 'max_score': 850.883, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8850883.jpg'}, {'end': 934.334, 'src': 'embed', 'start': 890.758, 'weight': 0, 'content': [{'end': 893.779, 'text': 'The first one would be the strategy design pattern.', 'start': 890.758, 'duration': 3.021}, {'end': 901.452, 'text': 'The strategy design pattern defines the family of functionality and encapsulates each one and make them interchangeable.', 'start': 894.787, 'duration': 6.665}, {'end': 904.695, 'text': 'The strategy pattern is also known as a policy.', 'start': 901.472, 'duration': 3.223}, {'end': 910.819, 'text': 'The major advantage of strategy design pattern is it is designed to provide a substitute for subclasses.', 'start': 905.255, 'duration': 5.564}, {'end': 915.263, 'text': 'Let us deal with an example to understand strategy design pattern in a better way.', 'start': 911.42, 'duration': 3.843}, {'end': 918.825, 'text': 'We are going to consider a simple example of a calculator.', 'start': 915.883, 'duration': 2.942}, {'end': 921.668, 'text': 'We need to perform five different operations.', 'start': 919.426, 'duration': 2.242}, {'end': 930.052, 'text': 'Now we shall try to encapsulate all those five different operations into one calculator class and execute the program using strategy design pattern.', 'start': 922.407, 'duration': 7.645}, {'end': 934.334, 'text': 'So this is the UML diagram for strategy design pattern.', 'start': 931.592, 'duration': 2.742}], 'summary': 'Strategy design pattern encapsulates interchangeable functionality, substitute for subclasses. example: calculator with five operations.', 'duration': 43.576, 'max_score': 890.758, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8890758.jpg'}, {'end': 1029.492, 'src': 'embed', 'start': 987.148, 'weight': 1, 'content': [{'end': 993.453, 'text': 'The command design pattern encapsulates a request under an object as a command and passes it to the invoker object.', 'start': 987.148, 'duration': 6.305}, {'end': 1001.458, 'text': 'The invoker objects, looks for an appropriate object which can handle this command and pass the command to the corresponding object,', 'start': 993.973, 'duration': 7.485}, {'end': 1003.46, 'text': 'and that object executes the command.', 'start': 1001.458, 'duration': 2.002}, {'end': 1006.872, 'text': 'It is also known as action or transaction.', 'start': 1004.21, 'duration': 2.662}, {'end': 1015.458, 'text': 'The major advantage of command design pattern is it separates the object that invokes the operation with the object that actually performs the operation.', 'start': 1007.552, 'duration': 7.906}, {'end': 1019.641, 'text': 'Let us deal with an example to understand command design pattern in a better way.', 'start': 1016.058, 'duration': 3.583}, {'end': 1029.492, 'text': 'This example demonstrate a simple command execution cycle where the user requires to exhibit switching on and off of the various electronic devices in his house,', 'start': 1020.367, 'duration': 9.125}], 'summary': 'Command design pattern encapsulates and separates object operations for better management.', 'duration': 42.344, 'max_score': 987.148, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8987148.jpg'}, {'end': 1136.194, 'src': 'embed', 'start': 1096.849, 'weight': 2, 'content': [{'end': 1102.551, 'text': 'The observer design pattern defines one-to-one dependency so that when one object changes state,', 'start': 1096.849, 'duration': 5.702}, {'end': 1105.893, 'text': 'all its dependents are notified and updated automatically.', 'start': 1102.551, 'duration': 3.342}, {'end': 1112.756, 'text': 'The major advantages of observer design pattern are it illustrates the coupling between the objects and the observer.', 'start': 1106.493, 'duration': 6.263}, {'end': 1116.057, 'text': 'It provides support for broadcast type communication.', 'start': 1113.336, 'duration': 2.721}, {'end': 1120.659, 'text': 'Now, let us deal with an example to understand observer design patterns in a better way.', 'start': 1116.597, 'duration': 4.062}, {'end': 1128.592, 'text': 'We are going to execute a program using observer design pattern to display the current average score and the current predictable score of a cricket match.', 'start': 1121.391, 'duration': 7.201}, {'end': 1132.993, 'text': 'This happens to be the UML diagram for the observer design pattern.', 'start': 1129.772, 'duration': 3.221}, {'end': 1136.194, 'text': 'Now, let us execute this practically and see the output.', 'start': 1133.533, 'duration': 2.661}], 'summary': 'Observer design pattern enables one-to-one dependency, supports broadcast communication, and is illustrated through a cricket match example.', 'duration': 39.345, 'max_score': 1096.849, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81096849.jpg'}], 'start': 850.883, 'title': 'Behavioral and observer design patterns in java', 'summary': 'Introduces strategy design pattern with a calculator example having five operations, covers command design pattern with an example of switching on and off electronic devices, and delves into the observer design pattern with a cricket match score prediction program.', 'chapters': [{'end': 961.115, 'start': 850.883, 'title': 'Behavioral design patterns in java', 'summary': 'Introduces the behavioral design patterns in java, including the strategy design pattern, which encapsulates functionality and provides a substitute for subclasses, demonstrated practically through a calculator example with five different operations.', 'duration': 110.232, 'highlights': ['The chapter introduces the behavioral design patterns in Java It discusses the responsibility and interaction between objects, ensuring loose coupling and easy communication.', 'Strategy design pattern encapsulates functionality and provides a substitute for subclasses It defines the family of functionality, encapsulates each one, and makes them interchangeable.', 'Demonstration of strategy design pattern through a calculator example with five different operations The program uses the strategy design pattern to encapsulate addition, subtraction, division, multiplication, and modulus operations in the calculator class.']}, {'end': 1180.286, 'start': 965.157, 'title': 'Command and observer design patterns', 'summary': 'Covers the command design pattern, explaining its working, advantages, and providing an example of switching on and off electronic devices. it also delves into the observer design pattern, highlighting its features, advantages, and demonstrating a cricket match score prediction program.', 'duration': 215.129, 'highlights': ['The command design pattern encapsulates a request under an object as a command and separates the object that invokes the operation from the one that performs it.', 'The observer design pattern defines one-to-one dependency, illustrating coupling between objects and providing support for broadcast type communication.', 'An example of the command design pattern demonstrates switching on and off of electronic devices, with the successful execution of remote control operations for lights and stereo.', 'In the observer design pattern example, the program displays the current average score, showing that 10.2 hours have been played, the average run rate is 8.8, and the predictable score according to this run rate would be 441 runs.']}], 'duration': 329.403, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-8850883.jpg', 'highlights': ['Demonstration of strategy design pattern through a calculator example with five different operations The program uses the strategy design pattern to encapsulate addition, subtraction, division, multiplication, and modulus operations in the calculator class.', 'An example of the command design pattern demonstrates switching on and off of electronic devices, with the successful execution of remote control operations for lights and stereo.', 'In the observer design pattern example, the program displays the current average score, showing that 10.2 hours have been played, the average run rate is 8.8, and the predictable score according to this run rate would be 441 runs.', 'The chapter introduces the behavioral design patterns in Java It discusses the responsibility and interaction between objects, ensuring loose coupling and easy communication.', 'The command design pattern encapsulates a request under an object as a command and separates the object that invokes the operation from the one that performs it.', 'Strategy design pattern encapsulates functionality and provides a substitute for subclasses It defines the family of functionality, encapsulates each one, and makes them interchangeable.', 'The observer design pattern defines one-to-one dependency, illustrating coupling between objects and providing support for broadcast type communication.']}, {'end': 1460.912, 'segs': [{'end': 1205.319, 'src': 'embed', 'start': 1181.317, 'weight': 0, 'content': [{'end': 1188.223, 'text': 'The JEE design patterns are concerned with providing the solutions to the Java EE based software applications and frameworks.', 'start': 1181.317, 'duration': 6.906}, {'end': 1190.786, 'text': 'These patterns are widely used in spring.', 'start': 1188.864, 'duration': 1.922}, {'end': 1194.349, 'text': 'JEE design patterns are further classified as below.', 'start': 1191.506, 'duration': 2.843}, {'end': 1196.871, 'text': 'They are MVC design pattern.', 'start': 1195.15, 'duration': 1.721}, {'end': 1198.753, 'text': 'dependency injection pattern.', 'start': 1196.871, 'duration': 1.882}, {'end': 1200.534, 'text': 'DAO design pattern.', 'start': 1198.753, 'duration': 1.781}, {'end': 1202.236, 'text': 'business delegate pattern.', 'start': 1200.534, 'duration': 1.702}, {'end': 1203.917, 'text': 'intercepting filter pattern.', 'start': 1202.236, 'duration': 1.681}, {'end': 1205.319, 'text': 'service locator pattern.', 'start': 1203.917, 'duration': 1.402}], 'summary': 'Jee design patterns provide solutions for java ee applications and frameworks, including mvc, dependency injection, dao, business delegate, intercepting filter, and service locator patterns.', 'duration': 24.002, 'max_score': 1181.317, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81181317.jpg'}, {'end': 1272.719, 'src': 'embed', 'start': 1245.666, 'weight': 1, 'content': [{'end': 1250.667, 'text': 'They load them with information and then send the data to the views to present them to the end user.', 'start': 1245.666, 'duration': 5.001}, {'end': 1256.748, 'text': 'The major advantage of MVC design pattern is it supports multiple views of a particular model.', 'start': 1251.267, 'duration': 5.481}, {'end': 1260.709, 'text': 'Let us deal with an example to understand MVC design pattern in a better way.', 'start': 1257.268, 'duration': 3.441}, {'end': 1266.376, 'text': 'We are going to use the MVC design pattern to set and print the data of the students of a particular school.', 'start': 1261.354, 'duration': 5.022}, {'end': 1270.038, 'text': 'So the ML diagram for this particular example is as follows.', 'start': 1267.017, 'duration': 3.021}, {'end': 1272.719, 'text': 'Let us try to execute this practically.', 'start': 1270.999, 'duration': 1.72}], 'summary': 'Mvc design pattern supports multiple views of a model, demonstrated with a student data example.', 'duration': 27.053, 'max_score': 1245.666, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81245666.jpg'}, {'end': 1351.061, 'src': 'embed', 'start': 1325.948, 'weight': 3, 'content': [{'end': 1331.41, 'text': 'These objects instantiate session factories and handle all of the logic behind communicating with the database.', 'start': 1325.948, 'duration': 5.462}, {'end': 1336.913, 'text': 'The major advantage of DAO design pattern is it uses common calls to retrieve the objects.', 'start': 1332.051, 'duration': 4.862}, {'end': 1340.976, 'text': 'We shall deal with an example to understand DAO design patterns in a better way.', 'start': 1337.374, 'duration': 3.602}, {'end': 1347.639, 'text': 'In this example, we are going to display the developer details of a certain IT company using the DAO design pattern.', 'start': 1341.796, 'duration': 5.843}, {'end': 1351.061, 'text': 'The UML diagram for our example is as follows.', 'start': 1348.219, 'duration': 2.842}], 'summary': 'Dao design pattern simplifies database communication with common calls.', 'duration': 25.113, 'max_score': 1325.948, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81325948.jpg'}, {'end': 1398.512, 'src': 'embed', 'start': 1364.418, 'weight': 4, 'content': [{'end': 1366.862, 'text': 'Now let us try to execute this program and see how does it work.', 'start': 1364.418, 'duration': 2.444}, {'end': 1376.098, 'text': 'As you can see, the program has been successfully executed and the data has been displayed, and,', 'start': 1371.815, 'duration': 4.283}, {'end': 1383.562, 'text': 'according to the details we have provided to our developers, the name of the first employee is Kushagra and his developer ID is zero,', 'start': 1376.098, 'duration': 7.464}, {'end': 1387.265, 'text': 'and the second employee is Vikram and his developer ID is one.', 'start': 1383.562, 'duration': 3.703}, {'end': 1391.527, 'text': 'As you can see, we have also provided an update operation inside the code,', 'start': 1387.865, 'duration': 3.662}, {'end': 1398.512, 'text': 'according to which we have updated the employee Kushagra with location and provided his ID to the new employee, which is location.', 'start': 1391.527, 'duration': 6.985}], 'summary': 'Program successfully executed, displaying data for two employees, kushagra and vikram, with developer ids 0 and 1. update operation also performed for employee kushagra.', 'duration': 34.094, 'max_score': 1364.418, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81364418.jpg'}, {'end': 1436.118, 'src': 'embed', 'start': 1408.249, 'weight': 5, 'content': [{'end': 1412.15, 'text': 'They furnish solutions that help to define system architecture with ease.', 'start': 1408.249, 'duration': 3.901}, {'end': 1416.812, 'text': 'Java design patterns are capable to capture the software engineering experiences.', 'start': 1412.85, 'duration': 3.962}, {'end': 1421.314, 'text': 'They provide transparency to the design of an application and, finally,', 'start': 1417.372, 'duration': 3.942}, {'end': 1426.936, 'text': 'Java design patterns provide clarity to the system architecture and provide the possibility of building a better system.', 'start': 1421.314, 'duration': 5.622}, {'end': 1429.452, 'text': 'With this we come to an end of this session.', 'start': 1427.791, 'duration': 1.661}, {'end': 1436.118, 'text': 'I hope you have understood Java design patterns their types importance and their implementation through some real-time examples.', 'start': 1430.013, 'duration': 6.105}], 'summary': 'Java design patterns enhance system architecture and software engineering experiences, offering transparency and clarity for building better systems.', 'duration': 27.869, 'max_score': 1408.249, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81408249.jpg'}], 'start': 1181.317, 'title': 'Jee design patterns overview', 'summary': 'Provides an overview of jee design patterns, focusing on discussing the mvc design pattern in detail and its practical application for setting and printing student data, along with the implementation and advantages of mvc and dao design patterns in a practical example.', 'chapters': [{'end': 1280.343, 'start': 1181.317, 'title': 'Jee design patterns overview', 'summary': 'Provides an overview of jee design patterns, including mvc design pattern, dependency injection pattern, dao design pattern, business delegate pattern, intercepting filter pattern, service locator pattern, and transfer object pattern, with a focus on discussing the mvc design pattern in detail and its practical application for setting and printing student data, highlighting its support for multiple views of a particular model.', 'duration': 99.026, 'highlights': ['MVC design pattern overview and practical application The chapter discusses the MVC design pattern, its components (models, views, controllers), and its practical application for setting and printing student data, emphasizing its support for multiple views of a particular model.', 'Classification of JEE design patterns The JEE design patterns are classified into MVC design pattern, dependency injection pattern, DAO design pattern, business delegate pattern, intercepting filter pattern, service locator pattern, and transfer object pattern.', 'Importance of MVC design pattern The MVC design pattern is highlighted for its capability to support multiple views of a particular model, serving as a key advantage in software application development.']}, {'end': 1460.912, 'start': 1281.275, 'title': 'Overview of jee design patterns', 'summary': 'Discusses the model-view-controller (mvc) and data access object (dao) design patterns in the context of jee design patterns, emphasizing their implementation and advantages, with a practical example showcasing the successful execution and display of developer details using dao pattern.', 'duration': 179.637, 'highlights': ['The DAO design pattern in JEE involves objects dedicated to communication with the data layer, utilizing common calls to retrieve objects, with the major advantage of handling the logic behind database communication (mentions instantiation of session factories).', 'The practical example showcases successful execution of the program, displaying developer details, such as the names and developer IDs, with an update operation demonstrated for employee details.', 'The chapter provides an overview of Java design patterns, emphasizing their reusability, ability to define system architecture, capture software engineering experiences, and provide clarity to the system architecture (mentions transparency and possibility of building a better system).']}], 'duration': 279.595, 'thumbnail': 'https://coursnap.oss-ap-southeast-1.aliyuncs.com/video-capture/C_oPLDaSy-8/pics/C_oPLDaSy-81181317.jpg', 'highlights': ['The JEE design patterns are classified into MVC design pattern, dependency injection pattern, DAO design pattern, business delegate pattern, intercepting filter pattern, service locator pattern, and transfer object pattern.', 'The MVC design pattern is highlighted for its capability to support multiple views of a particular model, serving as a key advantage in software application development.', 'The chapter discusses the MVC design pattern, its components (models, views, controllers), and its practical application for setting and printing student data, emphasizing its support for multiple views of a particular model.', 'The DAO design pattern in JEE involves objects dedicated to communication with the data layer, utilizing common calls to retrieve objects, with the major advantage of handling the logic behind database communication (mentions instantiation of session factories).', 'The practical example showcases successful execution of the program, displaying developer details, such as the names and developer IDs, with an update operation demonstrated for employee details.', 'The chapter provides an overview of Java design patterns, emphasizing their reusability, ability to define system architecture, capture software engineering experiences, and provide clarity to the system architecture (mentions transparency and possibility of building a better system).']}], 'highlights': ['Java design patterns provide easy to recognize and use object-oriented programming solutions to common problems, making them inherently easy to maintain as many developers are familiar with them.', 'Design patterns can be defined as a software template or a description to solve problems occurring in multiple instances while designing a software application, providing a way to deal with the inefficiencies of a programming language.', 'The structure of design patterns is highly organized, often documented in the form of a template for users to visually identify the problem and find solutions based on the relationship between classes and objects.', 'The chapter discusses the types of Java design patterns, including creation, structural, behavioral, and JEE design patterns, and emphasizes on the creational design patterns, such as Factory, Abstract Factory, Singleton, Prototype, Builder, and Object Pool patterns.', 'The factory design pattern is practically executed to calculate the cost of cellular network plans for a certain number of minutes, resulting in 52.5 rupees for 35 minutes of talk time on the ABC network.', 'The chapter presents the practical execution of the singleton design pattern for database operations, encountering an error due to the usage of virtual ports by the VMware, which needed to be switched off before execution.', 'The chapter introduces the concept of structural design patterns, particularly focusing on the facade design pattern, including its advantages and a practical example of applying it to franchise purchasing, along with code execution.', 'The adapter design pattern enables previously incomplete objects to interact with each other, providing an interface according to client requirement.', 'The practical example of the adapter design pattern involves the issuance of a library card to a new user, including details like book holder ID and account number.', 'Demonstration of strategy design pattern through a calculator example with five different operations The program uses the strategy design pattern to encapsulate addition, subtraction, division, multiplication, and modulus operations in the calculator class.', 'An example of the command design pattern demonstrates switching on and off of electronic devices, with the successful execution of remote control operations for lights and stereo.', 'In the observer design pattern example, the program displays the current average score, showing that 10.2 hours have been played, the average run rate is 8.8, and the predictable score according to this run rate would be 441 runs.', 'The JEE design patterns are classified into MVC design pattern, dependency injection pattern, DAO design pattern, business delegate pattern, intercepting filter pattern, service locator pattern, and transfer object pattern.', 'The MVC design pattern is highlighted for its capability to support multiple views of a particular model, serving as a key advantage in software application development.', 'The DAO design pattern in JEE involves objects dedicated to communication with the data layer, utilizing common calls to retrieve objects, with the major advantage of handling the logic behind database communication (mentions instantiation of session factories).', 'The chapter provides an overview of Java design patterns, emphasizing their reusability, ability to define system architecture, capture software engineering experiences, and provide clarity to the system architecture (mentions transparency and possibility of building a better system).']}