Assignemnt #68 and Reverse Hi-Lo

Code

    ///Name: Luke Shin
    ///Period: 7
    ///Project Name: reverse
    ///File Name: reverse.java
    ///Date: 12/14/2015
    
    import java.util.Scanner;
    import java.util.Random;
    
    public class reverse{
        public static void main(String[] args){
            Scanner keyboard = new Scanner(System.in);
                    
            int hi=1001, lo=0, guess = 0;
            String ans= "";
                    
            do {
                guess = (lo + hi)/2;
                if (guess==0) guess = 1;
                System.out.println("Nubmer: "+guess);
                
                System.out.print("Is it too high (h), low (l), or correct (c)? ");
                ans = keyboard.next();
    
                switch(ans)
                {
                    case "h": hi = guess;
                        break;
                    case "l": lo = guess;
                        break;
                    case "c": ans = "ans";
                        break;
                    default : System.out.print("nope");
                }
            }
            while (!ans.equals("ans"));
        }
    }

    

Picture of the output