JAVA INTRODUCTION

Home Next »

JAVA Introduction

• Java is a general-purpose, class-based, object-oriented programming language. 
• It is a computing platform for application development. Java is fast, secure, and reliable, therefore. 
• Initially it was launch by Sun Micro systems and then bought buy Oracle
• Java uses the concept of WORA (Write Once Run Anywhere)

 

It Is Used For:

1. Desktop application
2. Mobile application
3. Games
4. Web application
5. Database Connection 

Who Created JAVA Programming:

Java was created by James Gosling and a team of engineers at Sun Microsystems in 1995. It was originally developed as part of a project called "Oak" for interactive television but was later adapted for general-purpose programming. Sun Microsystems was later acquired by Oracle Corporation in 2010.

JAVA Downloading Steps In Windows 

• Go to https://www.oracle.com/

• Click products and scroll down hardware and software click "java"

• Click Download java 

• Scroll down click windows  

• Click x64 installer link https://download.oracle.com/java/19/latest/jdk-19_windows-x64_bin.exe ( sha256) download will be start

 

• Successfully downloaded java.

JAVA Installation Steps In Windows

• Open java  Download file loaction  

• Click jdk installer or open with run as Administrator

• jdk installer will be run and click next

• Choose install file loaction and click next 

• Install process will be started 

• After finish process click close

• Installed successfully.

Write A Simple Program And Run 

• Open Notepad

• Type a program 

  public class Main 

  {

   public static void main(String[] args) 

   {

     System.out.println("Hello World");

   }

 }

• Click file and click save or ctrl+s to save your file 

• Save your file name  to class name. This program class name is "main" so you save file "main.java " 

• Open save location and type search bar to "cmd" or open "cmd command prompt"

• Type " javac main.java" to compile a program
• Type "java  main" to run program
• Output show successfully "Hello world"

Home Next »

More topic in JAVA

 Topic