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ReactiveX Introduction

ReactiveX library helps us to write applications to handle asynchronous events emitted over the time. Before understanding how to handle these events, lets go through some examples to see why...

Chain of responsibility

Chain of responsibility is one of the behavioral design pattern in Gang of Four patterns. The main objective of this design pattern is processing a command. For example, command can...

Introduction to java.time - Part 2

Part 1 of this series explained the basic time related classes in java.time package and different approaches to create them. In this post we will see how to retrieve time...

Simple Introduction to ForkJoin Framework - Part 2

In the first part of this series we went through the introduction on ForkJoin framework. In this article we will go through code example to create a ForkJoinTask using RecursiveAction....

Simple Introduction to ForkJoin Framework - Part 1

ForkJoin framework allows us to execute tasks in a thread based environment. We need to pass tasks to this framework and this framework will execute them efficiently. This framework provides...

Strategy design pattern

This article will explain the strategy design pattern using functional interfaces. Sometimes application may need to execute an algorithm conditionally. Here the algorithm means nothing but a strategy, execution of...

Introduction to java.time - Part 1

This article will provide introduction to the java.time package. This package is introduced in Java 8 version and it contains many classes and interfaces to represent and process dates and...

How ConcurrentModificationException is thrown?

How concurrent modification detection logic works and on what basis ConcurrentModificationException is thrown? This article will explain these questions. Iterating a collection is one of the important operation we usually...

Regex Tester With Spring Shell

Spring framework is the suite of many projects, using which we can develop wide variety of applications. These applications may need user interaction, the most common way is to have...