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  1. W3School
    https://www.w3schools.com › java

    Java Tutorial - W3Schools

    Paradigm

    Multi-paradigm: generic, object-oriented (class-based), functional, imperative, reflective, concurrent

    Designed by

    James Gosling

    Developer

    Oracle Corporation

    First appeared

    May 23, 1995
    Java Programming Basics - GeeksforGeeks

    It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/compa…

    GeeksForGeeks
    Java Tutorial: Learn Java Programming | Codecademy

    Write your first Java program from scratch by introducing yourself to users and planting a tree for them. You'll practice creating a class, defining the main metho…

    Codecademy
    Free Java Basics Course - Learn Programming - SoftUni Global

    Learn to code for free with a full, self-paced online Java Basics course. Progress with detailed explanations, video tutorials, and practical exercises.

    SoftUni Global
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    Java is a high-level, object-oriented programming language developed by Sun Microsystems in 1995 and now maintained by Oracle. It follows the Write Once, Run Anywhere (WORA) principle, meaning compiled Java bytecode can run on any platform with a Java Virtual Machine (JVM). Java is widely used for desktop, web, mobile, enterprise, and embedded applications.

    Key Features include:

    • Object-Oriented: Supports encapsulation, inheritance, polymorphism, and abstraction.

    • Platform Independent: Runs on any OS with JVM.

    • Robust & Secure: Strong memory management, exception handling, and security features.

    • Multithreaded: Supports concurrent execution.

    • Rich API: Extensive standard libraries for networking, I/O, collections, etc..

    Basic Java Program Example:

    // A simple Java program
    public class HelloWorld {
    public static void main(String[] args) {
    System.out.println("Hello World!");
    }
    }
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  2. GeeksForGeeks
    https://www.geeksforgeeks.org › java › java-programming-basics

    Java Programming Basics - GeeksforGeeks

    Aug 20, 2025 · It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions.

  3. Codecademy
    https://www.codecademy.com › learn › learn-ja

    Java Tutorial: Learn Java Programming | Codecademy

    Write your first Java program from scratch by introducing yourself to users and …

    • 4.4/5
    • Category: Partially Free
  4. SoftUni Global
    https://softuni.org › learn › resources › courses › java-basics-free

    Free Java Basics Course - Learn Programming - SoftUni Global

    • See More

    Learn to code for free with a full, self-paced online Java Basics course. Progress with detailed explanations, video tutorials, and practical exercises.

  5. Programiz
    https://www.programiz.com › java-programming

    Learn Java Programming

    If you want to learn Java for free with a well-organized, step-by-step tutorial, you can use our free Java tutorials. Our tutorials will guide you through Java one step at a …

  7. Guru99
    https://www.guru99.com › java

    Java Tutorial – Guru99

    Jan 9, 2026 · This free Java for beginners tutorial is designed for beginners with little or no Java coding experience. These Java notes for beginners will help beginners to learn Java online for free.

  8. FreeCodecamp
    https://www.freecodecamp.org › news › learn-java-free-java-…

    Learn Java – Free Java Courses for Beginners

    Jan 3, 2022 · Java is a really popular programming language that has been around for over 25+ years. If you are interested in learning Java, then there are plenty of free …

  9. Simplilearn
    https://www.simplilearn.com › free-java-beginners-course-sk…

    Free Java Programming Course with Certificate

    In this free Java course with certificate, you’ll explore basics like keywords, …

    • Reviews: 57.6K
    • Coursera
      https://www.coursera.org › courses

      Free Java Courses & Certificates [2026] | Coursera

      Start learning Java and build essential programming skills through guided practice in a free online course. Enroll for free.

    • Great Learning
      https://www.mygreatlearning.com › academy › learn-for-free …

      Free Java Programming Course with Certificate [2026]

      Learn Java syntax, OOP concepts, data types, loops, & methods to build Java coding skills for apps and software in this free Java course for beginners & earn a …

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