Posted inJava Java Basic
Java Hello World Program
We’ll learn how to write our first Java program throughout this post. This article is only for java beginners. hello world program will be a very simple program that will…
Posted inJava Java Basic
Introduction to Java Programming Language
Java is one of the most used programming languages in the world for developing desktop application and web application. What is JAVA? Java is a platform independent, object oriented programming…
Posted inJava Advanced Uncategorized
What is a serialVersionUID and why should I use it?
Serialization Serialization allows to convert an object to a stream, for sending that object over the network OR Save to file OR save into DB for letter usage. serialVersionUID It is…
A JNI error has occurred, please check your installation and try again problem fix 2021
Hi, This is a common problem when you want to run a java program using the command line. The problem is occurring for so many reasons. Most of the cause…
Posted inJava Java Advanced
How to handle null pointer exception in Java
NullPointException NullPointException is a RunTimeException. NullPointException is thrown when the value of a reference variable or object is null. How to avoid NullPointException? Before using any object or reference variable,…
Posted inJava Java Advanced
How to handle IOException in Java
IOException In Java, IOException is one of the most common Exceptions when the program operates between input and output.IOException is used for input and output-related operations. Sometimes it’s called Input-Output Exception. Whatever the reason…
Posted inJava Java Advanced
Exception handling in java with examples
Exception Handling in Java is a powerful mechanism. Exception handling is done to handle the run time error of the program and to maintain normal flow. The exception refers to an abnormal…
Java Encapsulation
Binding (or wrapping) code and data together into a single unit are known as encapsulation. For example, a capsule is wrapped with different medicines. Java Encapsulation reduces the code redundancy…
Java Abstraction
Hiding internal details and showing functionality is known as abstraction. For example phone call, we don't know the internal processing. The user will have the information on what the object…
Java Polymorphism
If one task is performed in different ways, it is known as polymorphism. For example: to convince the customer differently, to draw something, for example, shape, triangle, rectangle, etc. In…
Java Inheritance
We will one of the most important concept of JAVA OOP is java inheritance. When one object acquires all the properties and behaviors of a parent object, it is known…
Java Objects and Classes
In this article, we will learn about objects and classes with real-life examples. Java objects and classes are the main components of JAVA. Object Everything in Java is associated with…
Posted inJava Java Advanced
Getters and Setters in Java
Hello guys! In this tutorial, we have figure out the getters and setters method and their features in Java. We will learn accessor and mutator in the Java programming language.…
Fundamentals of object-oriented programming in Java
Today, we will learn the fundamentals of Object Oriented programming programming. First of all, we have to know the meaning of Object and then we go through the others part.…
Guessing Game in JAVA using OOP concept
We will build a number guessing game to generate a random number. In the last episode, I discussed Java objects and classes. To understand objects and classes, We will create a funny game name…