First Java Program in Hindi – Hello World Example with Explanation

Java ek popular programming language hai jo beginners ke liye bhi easy aur powerful hai. Agar aap Java programming seekhna start kar rahe hain, to sabse pehla step hota hai First Java Program likhna. Is post me hum step-by-step samjhenge ki Java ka pehla program kaise likhte hain, kaise run karte hain aur kaam kaise karta hai.

First Java Program in Hindi – Hello World Program

Java ek popular programming language hai jo beginners ke liye bhi easy aur powerful hai. Agar aap Java programming seekhna start kar rahe hain, to sabse pehla step hota hai First Java Program likhna. Is post me hum step-by-step samjhenge ki Java ka pehla program kaise likhte hain, kaise run karte hain aur kaam kaise karta hai.

Note: Yeh post beginners ke liye specially likhi gayi hai, jisme har line ka simple explanation diya gaya hai.

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Java kya hai? aaiye samjhte hai

Java ek object-oriented, platform-independent programming language hai. Java ka use software, mobile apps, web applications, games aur enterprise systems banane me hota hai.

Java ki sabse badi khasiyat hai – “Write Once, Run Anywhere”.

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First Java Program kya hota hai?

Programming ki duniya me har language ka pehla program Hello World hota hai. Is program ka main purpose hota hai:

• Java syntax samajhna
• Compiler aur JVM ka use seekhna
• Output screen par text print karna

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First Java Program – Hello World Code

class FirstProgram {
    public static void main(String[] args) {
        System.out.println("Hello World");
    }
}

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Java Program ka Line by Line Explanation

1️⃣ class FirstProgram

Java me har program ek class ke andar likha jata hai. Class ka naam file ke naam jaisa hi hona chahiye.

2️⃣ public static void main(String[] args)

Ye Java ka main method hai. Program yahin se start hota hai.

• public – JVM ko access dene ke liye
• static – object banaye bina run karne ke liye
• void – koi value return nahi karta
• String[] args – command line arguments

3️⃣ System.out.println()

Ye statement screen par text print karne ke liye use hota hai.

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Java Program ka Output

Hello World

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Java Program Run Kaise Hota Hai?

Java program run hone ke steps:

1. Source code (.java)
2. Compiler (javac)
3. Bytecode (.class)
4. JVM (Java Virtual Machine)
5. Output

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JVM kya hota hai?

JVM (Java Virtual Machine) ek virtual environment hai jo Java bytecode ko execute karta hai. Isi wajah se Java platform independent hai.

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Java Program likhne ke Rules

• Class ka naam Capital letter se start karein
• File name aur class name same ho
• Main method hona zaroori hai
• Statements ke end me semicolon (;) lagta hai

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Common Errors in First Java Program

• Class name aur file name mismatch
• Semicolon missing
• Main method spelling galat

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Why Java is Best for Beginners?

• Easy to learn
• Huge community support
• High job demand
• Platform independent

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First Java Program – Interview Questions

Q1. Java program ka entry point kya hai?

👉 main() method

Q2. Java platform independent kyun hai?

👉 JVM ki wajah se

Q3. System.out.println kya karta hai?

👉 Output print karta hai

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Conclusion

Is post me humne First Java Program in Hindi ko detail me samjha. Agar aap Java seekhna chahte ho to ye aapka pehla aur sabse important step hai. Aage hum variables, data types, loops aur OOP concepts seekhenge.

Next Post: Java Variables & Data Types in Hindi

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🔗 Related Java Tutorials

• Java Tutorials in Hindi – Complete Beginner Guide
• JDK, JRE & JVM Explained in Hindi
• Java Variables & Data Types in Hindi
• Java Installation Step-by-Step Guide

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