Sample Java Code
Certainly! Here’s a simple Java code example that prints “Hello, World!” to the console:
public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}
In this code:
- We define a class named
HelloWorld. - Inside the class, we have a
mainmethod, which is the entry point for the Java program. - Within the
mainmethod, we useSystem.out.println()to print the “Hello, World!” message to the console.
You can save this code in a file with the name HelloWorld.java. To compile and run it, follow the steps I mentioned in the previous response:
- Make sure you have the Java Development Kit (JDK) installed on your system.
- Open a command prompt or terminal.
- Navigate to the directory where you saved
HelloWorld.java. - Compile the code with
javac HelloWorld.java. - Execute the compiled code with
java HelloWorld.
You should see the “Hello, World!” message displayed in the console when you run the program. This is a simple and classic example often used to introduce programming in Java.
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