Java Programming Lab ☕

Java programming lab exercises and projects completed during S3 CSE B.Tech curriculum. This repository contains comprehensive Java programs covering fundamental concepts, GUI development, file operations, and advanced programming techniques.

📋 Programs Included

🎯 Core Java Concepts

• Calculator Application - CalculatorMain.java
• Method Overloading - MethodOverloading.java
• String Operations - Numbers.java (StringTokenizer)
• String Palindrome - StringPalindrome.java
• Fibonacci Series - fibonacci.java
• Prime Numbers - PrimeNumbers.java

🗂️ File Operations

• File Creation - CreateFile.java
• File Writing - WriteToFile.java, Writefile.java
• File Copying - CopyToFile.java
• Even/Odd File Processing - EvenOddFile.java
• Prime Numbers to File - PrimeNumbersFile.java
• String Reversal File - Str_Rev_File.java
• Character Frequency Count - FrequencyCount.java

🖥️ GUI Applications

• Banking System - BankingMain.java
• Login Page - LoginPage.java
• Traffic Light Simulator - TrafficLight.java
• Increment/Decrement Counter - IncreDecreSample.java
• Velocity Converter - VelocityConverter.java

🔧 Advanced Concepts

• Exception Handling - ExceptionHandlingDemo.java, ThrowDemo.java
• Thread Synchronization - ThreadSynchro.java
• Quick Sort Algorithm - QuickSort.java
• Matrix Multiplication - MatrixMultiplication.java

🎯 Course Information

• Course: Java Programming Lab
• Semester: 3rd Semester
• Program: B.Tech Computer Science Engineering
• Language: Java

🚀 Getting Started

Prerequisites

• Java Development Kit (JDK 8 or higher)
• Any Java IDE (Eclipse, IntelliJ IDEA, NetBeans) or text editor
• Basic understanding of Java programming

Installation & Usage

1. Clone the repository:

   git clone https://github.com/AthulSabu2002/S3_JAVA_LAB.git
   cd java-programming-lab

2. Compile Java programs:

   javac FileName.java

3. Run the compiled programs:

   java FileName

💡 Example Usage

# Core Java - Calculator
javac CalculatorMain.java
java CalculatorMain

# File Operations - File Creation
javac CreateFile.java
java CreateFile

# GUI Application - Banking System
javac BankingMain.java
java BankingMain

# Algorithm - Quick Sort
javac QuickSort.java
java QuickSort

# Threading - Thread Synchronization
javac ThreadSynchro.java
java ThreadSynchro

📚 Program Categories

Basic Programming

• Calculator: Basic arithmetic operations with GUI
• Fibonacci: Generate Fibonacci sequence
• Prime Numbers: Find and display prime numbers
• Palindrome: Check if string is palindrome

File Handling

• File I/O Operations: Create, read, write, and copy files
• Data Processing: Process numbers and strings from files
• Character Analysis: Count frequency of characters

GUI Development

• Swing Applications: Interactive desktop applications
• Event Handling: Button clicks and user interactions
• Form Processing: Login forms and data entry

Object-Oriented Programming

• Method Overloading: Multiple methods with same name
• Exception Handling: Try-catch blocks and custom exceptions
• Banking Simulation: Real-world application example

Advanced Topics

• Multithreading: Thread creation and synchronization
• Algorithms: Sorting and searching implementations
• Matrix Operations: Mathematical computations

🛠️ Technologies Used

• Java SE (Standard Edition)
• Swing GUI Framework
• Java I/O API
• Java Collections Framework
• Multithreading API

📖 Learning Outcomes

• Object-oriented programming concepts
• GUI application development
• File handling and I/O operations
• Exception handling mechanisms
• Thread programming and synchronization
• Algorithm implementation in Java
• Problem-solving using Java

🎓 Academic Context

This repository represents hands-on learning in Java programming, covering:

• Fundamental programming constructs
• Object-oriented design principles
• GUI application development
• File system operations
• Advanced Java features

Each program is designed to reinforce specific Java concepts and provide practical programming experience.

🤝 Contributing

This repository contains academic coursework. For improvements or additional examples:

1. Fork the repository
2. Create a feature branch
3. Add your improvements
4. Submit a pull request

📝 Note

These programs are implemented for educational purposes as part of the Java Programming Lab curriculum. Each program demonstrates specific Java concepts and includes appropriate comments for clarity.

📧 Contact

For questions about any Java implementation or concept clarification, feel free to reach out!

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S3 CSE B.Tech - Java Programming Laboratory