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Exception Handling in Java

Exception Handling in Java is a very interesting topic. Exception is an error event that can happen during the execution of a program and disrupts its normal flow. Java provides a robust and object oriented….

Generics In Java

Java Generics Example Tutorial – Generic Method, Class, Interface

Java Genrics is one of the most important features introduced in Java 5. If you have been working on Java Collections and with version 5 or higher, I am sure that you have used it…..

Java FutureTask Example Program

Sometime back I wrote a post about Java Callable Future interfaces that we can use to get the concurrent processing benefits of threads as well as they are capable of returning value to the calling….

Java Priority Queue (PriorityQueue) Example

Welcome to Priority Queue in Java tutorial. We know that Queue follows First-In-First-Out model but sometimes we need to process the objects in the queue based on the priority. That is when Java PriorityQueue is….

Interpreter Design Pattern in Java

Interpreter design pattern is one of the behavioral design pattern. Interpreter pattern is used to defines a grammatical representation for a language and provides an interpreter to deal with this grammar. Interpreter Design Pattern The….

Command Design Pattern

Command Pattern is one of the Behavioral Design Pattern. Command design pattern is used to implement loose coupling in a request-response model. Command Pattern In command pattern, the request is send to the invoker and….

Chain of Responsibility Design Pattern in Java

Chain of responsibility design pattern is one of the behavioral design pattern. Chain of Responsibility Design Pattern Chain of responsibility pattern is used to achieve loose coupling in software design where a request from client….

Abstract Class Vs Interface

Difference between Abstract Class and Interface in Java

Difference between Abstract Class and Interface is one of the popular interview questions. Abstract Class and Interface are a core part of the Java programming language. Whether to choose an interface or abstract class is….

Interface in Java

Interface in java is one of the core concept. Java Interface is core part of java programming language and used a lot not only in JDK but also java design patterns. Most of the frameworks….

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….

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