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Pehla Java Program

Last Updated : 26 May, 2026

title: First Java Program

Fundamentals120 words8 headingsTables includedExamples included

title: First Java Program description: Pehla Java program likhna aur run karna

Setup

JDK install karo: https://www.oracle.com/java/technologies/downloads/
IDE install karo: IntelliJ IDEA (recommended) ya VS Code

Pehla Program

java exampleWoHoTech

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
        System.out.println("Java sikha raha hoon!");
    }
}

Line by Line Explanation

Line	Matlab
`public class HelloWorld`	HelloWorld naam ki public class
`public static void main`	Program ka starting point
`String[] args`	Command line arguments
`System.out.println()`	Console par print karta hai

Run Kaise Karein

Terminal se:

bash exampleWoHoTech

javac HelloWorld.java   # Compile
java HelloWorld         # Run

IntelliJ mein:

File → New → Java Class
Code likho
Green ▶ button click karo

Output

Hello, World! Java sikha raha hoon!

Common Mistakes

File name class name se different rakha
Semicolon ; bhool gaye
Method name main ko Main ya MAIN likha
String ko lowercase string likha

Exam Focus

Revise definitions, diagrams, examples, and short-answer points for Pehla Java Program.

Interview Use

Prepare one clear explanation, one practical example, and one common mistake for this Java topic.

Search Terms

java, java programming, core java, java master course, java notes, master, course, fundamentals

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FundamentalsJava Program Structuretitle: Java Program Structure FundamentalsArrays in Javatitle: Array Introduction FundamentalsJava Compilation Processtitle: Java Compilation Process FundamentalsJava ki Featurestitle: Features of Java FundamentalsHistory of Javatitle: History of Java FundamentalsJava Editionstitle: Java Editions

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