Welcome to the Java Tutorial! Java is a versatile, object-oriented programming language widely used for building desktop, web, and mobile applications. Let's dive into the essentials:

📚 Table of Contents

🧠 Introduction to Java

Java was created by Sun Microsystems in 1995 and is now owned by Oracle. It's known for its portability (write once, run anywhere) and security features.

Java Logo

💻 Basic Syntax

  • Use public static void main(String[] args) for the entry point
  • Variables declared with int, double, String, etc.
  • Control structures: if, else, for, while, switch
Java Coding

🧩 Object-Oriented Programming (OOP)

Java supports OOP principles like:

  • Encapsulation: Bundling data and methods
  • Inheritance: Extending classes
  • Polymorphism: Method overriding
  • Abstraction: Interfaces and abstract classes
Object Oriented

🧪 Common Libraries & Tools

  • Java Standard Library: java.util, java.io, java.net
  • IDEs: IntelliJ IDEA, Eclipse, VS Code
  • Build Tools: Maven, Gradle
Java Database

🌐 Advanced Topics

Explore:

  • Java 17+ features (records, sealed classes)
  • Multithreading & concurrency
  • JavaFX for GUI development
  • Spring Framework for enterprise apps
Java Cloud

📚 Learning Resources

Java Resources