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What's Changed in Java Versions

Java's Journey Through Time Java has been around for over two decades, powering robust applications across industries. It has consistently ranked as one of the most popular programming languages for building enterprise-grade applications. With

Jan 06, 2025 pm 03:11 PM

Inheritance and Polymorphism in Java: Using Superclasses and Subclasses

This article explains how Java’s inheritance has an “is-a” relationship between superclasses and subclasses, allowing subclasses to inherit and customize superclass functionality. By using polymorphism, subclasses can define unique behaviors, allowin

Jan 06, 2025 am 10:31 AM

SpringBoot Web Service - Part Github Action

GitHub Actions provide a seamless way to integrate CI/CD into your repository, automating various tasks like running tests, building artifacts, and deploying your project. Workflow for SNAPSHOT This workflow is triggered on non-main branc

Jan 06, 2025 am 06:40 AM

SpringBoot Web Service - Part Preparing Using Spring Initializr

Creating a Service Using Spring Boot and Maven In this post, we'll create a simple service using Spring Boot and Maven. Let's walk through the steps to set up a project and add the necessary dependencies. Step 1: Navigate to start.spr

Jan 06, 2025 am 04:15 AM

Java Constructors

Java Constructors: Java constructors or constructors in Java is a terminology used to construct something in our programs. A constructor in Java is a special method that is used to initialize objects. The constructor is called when an object of a cl

Jan 06, 2025 am 03:47 AM

SpringBoot Web Service - Part Initial Configuration

In this post, we'll explore how to configure OpenAPI in your Spring Boot application and add a convenient redirection from the root URL to the Swagger UI. This setup will improve your API documentation and make it more accessible to developers.

Jan 06, 2025 am 01:36 AM

Constructor

1) What is a Constructor? ---> In Java, a constructor is a block of codes similar to the method. It is called when an instance of the class is created. At the time of calling constructor, memory for the object is allocated in the memory. ---> I

Jan 06, 2025 am 12:26 AM

Why Do I Get a NullPointerException When Creating and Using an Object Array in Java?

NullPointerException during Object Array Creation: Addressing the IssueWhen attempting to work with an array of objects, you may encounter a...

Jan 05, 2025 pm 10:07 PM

Discover Java's Top Security Features

Why Use Java? What makes it secure? Java stands out for its focus on security. Over decades, Java has earned a reputation for being a reliable and robust platform for developing secure applications. This reputation is built on a foundation of carefu

Jan 05, 2025 pm 10:03 PM

How Can I Store Value Pairs in Java Without Unique Keys?

A Java Collection for Value Pairs: Tuples?Introduction:When working with data structures in Java, one often encounters the need for a collection...

Jan 05, 2025 pm 09:51 PM

Interface và Abstract class

Hi everybody! Today, in today's lesson, we will talk about a very interesting topic in object-oriented programming. That is the difference between Interface and Abstract Class. When should we use Interface? When is Abstract Class the choice?

Jan 05, 2025 pm 09:00 PM

Java Interview questions for Freshers ()

Edited from: https://www.geeksforgeeks.org/java-interview-questions/ 1. Is Java Platform Independent if then how? Javac compiles the program into bytecode, which is stored in a .class file. This file can be executed on any operating syste

Jan 05, 2025 pm 07:48 PM

Understanding Java Iterators: A Deep Dive

When working with collections in Java, an Iterator plays a crucial role in traversing and processing elements efficiently. This blog explores the concept, utility, and implementation of iterators in Java, helping you leverage this tool to manage coll

Jan 05, 2025 pm 06:49 PM