Java

Abstract Class in Java — step-by-step Programming tutorial on Progressive Robot

Abstract Class in Java

Abstract class in Java is similar to interface except that it can contain default method implementation. An abstract class can have an abstract method without body and it can have methods with implementation also. abstract keyword is used to create a abstract class and method. Abstract class in java can't be instantiated. An abstract class […]

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Abstract Factory Design Pattern in Java — step-by-step Programming tutorial on Progressive Robot

Abstract Factory Design Pattern in Java

Welcome to Abstract Factory Design Pattern in java example. Abstract Factory design pattern is one of the Creational patterns. Abstract Factory pattern is almost similar to [Factory Pattern](/community/tutorials/factory-design-pattern-in-java) except the fact that its more like factory of factories. Abstract Factory ![abstract factory, abstract factory design pattern, abstract factory pattern](images/abstract-factory-design-pattern-in-java-section-1.png) If you are familiar with [factory […]

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Compare Functional Programming, Imperative Programming and Object Oriented Programming — step-by-step Programming tutorial on Progressive Robot

Compare Functional Programming, Imperative Programming and Object Oriented Programming

As Oracle Corporation has introduced some Functional constructs in Java SE 8, now-a-days most of the Interviewers are interested to ask some questions about Functional Programming. As a Java/Groovy/Scala Developer or any Functional Programming Developer, we should learn the following questions and answers to clear interviews: … And More What is Functional Programming? What are […]

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Play Java

Introduction to Play in Java

In the world of Java web development, the Play Framework stands out as a powerful and versatile tool for building modern and efficient web applications. This article serves as an introductory guide to Play in Java, covering essential concepts and practical tips for developers looking to harness the framework’s capabilities. From setting up a Play project to understanding controllers, views, and routing, this comprehensive overview aims to provide a solid foundation for diving into the exciting realm of Play development.

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