Java Tutorials

Java extends Keyword The Java extends keyword is used to create a subclass, allowing one class to inherit the properties and methods of another (superclass). It supports code reuse and establishes an “is-a” relationship between classes. extends in Class Inheritance When one class inherits from another class, it uses extends. class Animal { void makeSound() […]

How to Run a Jar File In Java development, once you compile and package your application, the result is often a single archive file called a JAR file. If you’re a beginner and have no idea how to run this file, don’t worry! This article will guide you step-by-step in understanding what a JAR file […]

In this tutorial, we will learn the steps involved in downloading & Install Greenfoot on Windows 10 operating system. Greenfoot is an educational IDE designed for beginners to learn Java

FindBugs is an open-source tool for Static Code Analysis of Java application source code. The tool is currently inactive. The active successor of the tool is known as SpotBugs.

Java Testing Tools In this tutorial, you will learn some popular Java-based testing tools. Below are some of the popular Java testing tools that are used for testing applications. JUnit TestNG Selenium JBehave JMeter JUnit JUnit is an open-source Java framework to unit test Java applications. For more information about JUnit Java Tool. The JUnit […]

Java concat() method The Java concat() method is used to combine two strings into one. It’s a method of the String class. This method appends one string to the end of another. The method returns a String with the value of the String passed into the method, appended to the end of the String, used […]