// This is a simple Java program.
// FileName : "HelloWorld.java".
  
class HelloWorld
{
    // Your program begins with a call to main().
    // Prints "Hello, World" to the terminal window.
    public static void main(String args[])
    {
        System.out.println("Hello, World");
    }
}

// This is a simple Java program.
// FileName : "HelloWorld.java".
  
class HelloWorld
{
    // Your program begins with a call to main().
    // Prints "Hello, World" to the terminal window.
    public static void main(String args[])
    {
        System.out.println("Hello, World");
    }
}

class App {
 public static void main(String[] args)  {
  // Make sure to save the file with the .java extension and the program
  // name should mark the class name, in this case, App
   System.out.println("Hello World"); 
 }
}

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

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

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