Basic Java Programs

A collection of basic Java programs for beginners to practice programming concepts. This repository covers number-based programs, pattern problems, arrays, loops, functions, and other fundamental Java concepts.

📌 Topics Covered

Number Programs

• Armstrong Number
• Automorphic Number
• Binary to Decimal
• Decimal to Binary
• Count Digits
• Reverse Number
• Palindrome Number
• Prime Number
• Perfect Number
• Strong Number
• Spy Number
• Neon Number
• Harshad Number
• Happy Number
• Fibonacci Series
• Factorial
• GCD (Greatest Common Divisor)
• LCM (Least Common Multiple)
• Sum of Digits
• Swap Two Numbers

🛠 Technologies Used

• Java
• Eclipse IDE
• JDK 17 (or above)

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📂 Project Structure

basic-java-programs
│
├── src
│   ├── java_programs20
│   │   ├── ArmstrongNumber.java
│   │   ├── AutomorphicNumber.java
│   │   ├── BinaryToDecimal.java
│   │   ├── CountDigits.java
│   │   ├── DecimalToBinary.java
│   │   ├── Factorial.java
│   │   ├── FibonacciSeries.java
│   │   ├── GCD.java
│   │   ├── HappyNumber.java
│   │   ├── HarshadNumber.java
│   │   ├── LCM.java
│   │   ├── NeonNumber.java
│   │   ├── PalindromeNumber.java
│   │   ├── PerfectNumber.java
│   │   ├── PrimeNumber.java
│   │   ├── ReverseNumber.java
│   │   ├── SpyNumber.java
│   │   ├── StrongNumber.java
│   │   ├── SumOfDigits.java
│   │   └── SwapNumbers.java

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🎯 Purpose

This repository is created for:

• Java beginners
• College students
• Coding interview preparation
• Placement practice
• Learning Java fundamentals

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⭐ Support

If you find this repository useful, consider giving it a ⭐ Star on GitHub.

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👩‍💻 Author

Nisha Shree S

GitHub: https://github.com/nishashree03