ZCW-AliceAndBob-BlueJ/Hello.java

/**
 * Write a description of class Hello here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
import java.util.Scanner;
public class Hello
{
    // instance variables - replace the example below with your own
    Scanner scan = new Scanner(System.in);


    /**
     * Constructor for objects of class Hello
     */
    public Hello()
    {
        // initialise instance variables

    }

    /**
     * An example of a method - replace this comment with your own
     *
     * @param  y  a sample parameter for a method
     * @return    the sum of x and y
     */
    public void greet()
    {
        System.out.println("What is your name?");
        String name = scan.next();

        while(!name.equalsIgnoreCase("Alice") || 
              !name.equalsIgnoreCase("Bob")) {
            if (name.equalsIgnoreCase("Alice")) {
                System.out.println("Hello Alice!!");
            } else if (name.equalsIgnoreCase("Bob")) {
                System.out.print("Hey Bob!");
            } else {
                System.out.println("Who is that? Man, I don't know you!");
            }

        }
    }
}