How to rename a project in Eclipse IDE? In this post, we will learn how to rename a project in Eclipse IDE. Renaming a project in Eclipse is simple. Refactor a Project to change and update its name. Steps to Rename a Project Launch Eclipse IDE. Choose the Project you want to Rename in the […]
Write a program to show Inheritance in Java In this post, we will define an abstract super class Book.java and define two sub classes Novel and TextBook. In Java we can use the extends keyword to subclass from the parent class using Inheritance. Abstract Book class /************************************************** * Book.java * @program : Book is an […]
Why We Test Software? Imagine using a mobile app that crashes every time you click a button or a website that gives you the wrong information. This would be frustrating, right? That’s where software testing comes into play. It ensures that the software you use works smoothly, efficiently, and correctly. For beginners, understanding why testing […]
Differences Between UDP and TCP When data is sent across the internet—whether it’s an email, a video, or a website—it’s broken down into smaller chunks called packets. These packets are delivered using communication protocols. Two of the most important protocols are TCP (Transmission Control Protocol) and UDP (User Datagram Protocol). Understanding these two protocols is […]
How do you deploy a WAR file in Tomcat using Eclipse? This post will teach you how to use Eclipse to deploy a sample WAR file in Tomcat. First, we will create a Java web project and then deploy it on the Tomcat server. A .war (Web Application Archive) file is a packaged file format […]
What is an ArrayList? ArrayList is a resizable array in Java. It is an implementation of the List interface. Array is fixed in size, whereas ArrayList can grow or shrink dynamically as needed to accommodate adding and removing elements. Class Diagram ArrayList is random access list. It supports fast and generally constant access time for […]