Question

How can we execute a simple program in Java programming Language

Answer 1

Java uses public static void main as an entry point.

Create a Java file that has the above function.

E.g. file is given below.

/* HelloWorld.java
 */

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

Now compile the above code as given below.

javac HelloWorld.java

Run the code as given below

java HelloWorld