ZCW-AliceAndBob-BlueJ/Main.java

/**
 * Created by iyasuwatts on 10/17/17.
 */

import java.util.Scanner;

public class Main {

    public static void main(String[] args ){
        Scanner user_input = new Scanner(System.in);
        String name;

        while(true){
            System.out.print("Enter your name: ");
            name = user_input.next();
            
            if(name.equals ("Alice")){
                System.out.println("Hi Alice.");
            }else if(name.equals ("Bob")){
                System.out.println("Hi Bob.");
            }else{
                System.out.println("I don't know you.");
            }
        }
    }
}