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Java Tutorial

Welcome to the comprehensive Java tutorial. Java is a powerful, high-level, object-oriented programming language used for building everything from mobile apps to large-scale enterprise systems.

What you will learn

This tutorial follows our Logic-First approach. We teach you the "Why" and "How" of Java programming.

Introduction

Getting Started with Java

Learn what Java is, set up your JDK, and write your first Hello World program.

🧱

Foundations

Variables, Data Types, Operators

Master the syntax, primitive types, and core operators of the Java language.

🛤️

Control Flow

If-Else, Loops, Arrays

Learn how to make decisions, repeat tasks, and manage collections of data using Arrays.

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Methods & Recursion

Reusable Logic, Parameters

Master the art of writing reusable code blocks and solving complex problems with recursion.

🏛️

Object Oriented (OOP)

Classes, Inheritance, Logic

Go deep into Java's core strength: Classes, Inheritance, Polymorphism, and Abstraction.

🛡️

Exception Handling

Try, Catch, Safe Code

Learn how to handle errors gracefully and build robust, crash-proof Java applications.

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File I/O & Streams

Reading, Writing, Buffers

Learn how to interact with the file system and process data streams efficiently.

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Collections Framework

ArrayList, Sets, Maps

Master the powerful Java Collections API for managing complex data structures.

Advanced Java

Threads, Lambda, Generics

Explore high-performance features like Multithreading and modern Lambda expressions.

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Practical Program Bank

Hands-on Java Projects

A comprehensive collection of Java programs from basics to advanced. Perfect for building your portfolio.