Getting Started with Java

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Getting Started with Java

Welcome to the “Getting Started with Java” tutorial. This tutorial will guide you through setting up your development environment and writing your first Java program.

Step 1: Install JDK

The Java Development Kit (JDK) is essential for developing Java applications. Download and install the JDK from the official Oracle website.

Step 2: Set Up Your IDE

An Integrated Development Environment (IDE) makes writing and managing your code easier. We recommend downloading and installing Eclipse. Alternatively, you can use other IDEs like IntelliJ IDEA or NetBeans.

Step 3: Write Your First Java Program

Open your IDE and create a new Java project. Create a new class file and name it HelloWorld.java. Copy and paste the following code into your class file:


public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello, World!");
    }
}

Save the file and run the program. You should see the output “Hello, World!” in the console.

Understanding the Structure of a Java Program

Let’s break down the components of the HelloWorld program:

  • public class HelloWorld: This defines a public class named HelloWorld.
  • public static void main(String[] args): This is the main method, which is the entry point of any Java program.
  • System.out.println("Hello, World!");: This statement prints “Hello, World!” to the console.

Congratulations! You’ve written and run your first Java program. Continue exploring our beginner tutorials to learn more about Java programming.

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