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This document shows a simple Java program with a main method that prints the text "Hello, world!" to the console. The main method uses the println method of the System.out object to display the message. This is a common first program used to demonstrate a basic Java application.

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puts "Hello, world!"

16

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

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16. puts "Hello, world!" 16

17. public class Hello { public static void main(String[] args){ System.out.println("Hello, world!"); } } 17

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