Java Source Code

/**
   Program to display a message and the number 
   of characters in the message on the console.
*/
public class MessageApp {
    
    public static void main(String[] args) {

        String message = "Java application";
		
        // Give the message
        System.out.print("The message is: ");
        System.out.println(message);
		
        // Give the number of characters
        System.out.print("It has ");
        int numChars = message.length();
        System.out.print(numChars);
        System.out.println(" characters");
		
        /* Alternatively (as we will see soon), we could have done:
             System.out.println("The message is: " + message);
             System.out.println("It has " + message.length() + " characters");
         */
    }
    
}