1  /**

  2     This example demonstrates method calls.

  3  */

  4  

  5  public class MethodDemo

  6  {

  7     public static void main(String[] args)

  8     {

  9        String greeting = "Hello, World!";

 10        System.out.println(greeting); 

 11           // greeting is the argument in this call to the println method

 12        int numberOfCharacters = greeting.length();

 13          // The length method returns a value

 14     

 15        System.out.print("numberOfCharacters: ");

 16        System.out.println(numberOfCharacters);

 17  

 18        // You can use the return value of one method as an argument of another method

 19  

 20        System.out.print("greeting.length(): ");

 21        System.out.println(greeting.length());

 22  

 23        // The replace method has two arguments

 24        String river = "Mississippi";

 25        river = river.replace("issipp", "our");

 26        System.out.print("river: ");

 27        System.out.println(river);

 28     }

 29  }