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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 namedHelloWorld
.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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