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    Java is a popular programming language used to develop mobile apps, web apps, desktop apps, games, and much more. Here's a simple example to get you started with Java:

    public class Main {
    public static void main(String[] args) {
    System.out.println("Hello, World!");
    }
    }
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    Setting Up Your Environment

    1. Install Java Development Kit (JDK): Download and install the JDK from the official Oracle website.

    2. Choose an Integrated Development Environment (IDE): Popular IDEs for Java include IntelliJ IDEA, Eclipse, and NetBeans.

    Basic Concepts

    Variables and Data Types

    Variables are used to store data. Java supports various data types such as int, float, double, char, and boolean.

    int number = 10;
    float decimal = 5.5f;
    char letter = 'A';
    boolean flag = true;
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    Control Flow Statements

    Control flow statements like if-else, switch-case, for loop, while loop, and do-while loop are used to control the flow of execution.

    int number = 10;
    if (number > 0) {
    System.out.println("Positive number");
    } else {
    System.out.println("Negative number");
    }
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    What is free Java programming course with certificate?

    In this free Java course with certificate, you’ll explore basics like keywords, variables, and operators, and progress through conditional statements, loops, interfaces, and inheritance to build a strong Java foundation. Start learning free java programming course today. Who should learn this free Java Programming course?

    simplilearn.com
    W3School
    https://www.w3schools.com/java
    Java Tutorial - W3Schools
  1. Codecademy
    https://www.codecademy.com › learn › learn-ja

    Java Tutorial: Learn Java Programming | Codecademy

    With it, you’ll be able to develop large systems, software, and mobile applications — and even create mobile apps for Android. Learn important Java coding fundamentals and practice your new skills with …

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

    Java Tutorial - W3Schools

    Learn Java with simple explanations, practical examples, exercises, and challenges that help you build real skills step by step. Tip: Sign in to track your progress. Our "Try it Yourself" editor makes it easy to …

    Usage example
    public class Main { public static void main(String[] args) { System.out.println("Hello World"); }}
  4. 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 …

  6. Coursera
    https://www.coursera.org › courses

    Free Java Courses & Certificates [2026] | Coursera

    • See More

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

  7. CodeGym
    https://codegym.cc › java-coding-practice

    Java Coding Practice | Improve Your Skills with Free Java …

    Enhance your Java coding skills with free practice exercises with instant autocheck. Gain confidence in your coding abilities with our Java practice exercises and take …

  8. 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
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    • 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 …

    • Scaler
      https://www.scaler.com › topics › course › java-beginners

      Free Java Course with Certificate Online [2026] - Scaler

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      Top Free Java Courses & Tutorials Online - Updated …

      Join more than 11 million learners and take a Java course on Udemy. Learn the basics or go deep on one of the most in-demand computer programming languages.

    • Learn Java Online
      https://www.learnjavaonline.org

      Learn Java - Free Interactive Java Tutorial

      Whether you are an experienced programmer or not, this website is intended for everyone who wishes to learn the Java programming language. Just click on the chapter you wish to begin from, and follow …

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