1 import java.io.*; 2  3 public class GameHelper { 4     public String getUserInput(String prompt){ 5         String inputLine = null; 6         System.out.println(prompt + " "); 7         try { 8             BufferedReader is = new BufferedReader(new InputStreamReader(System.in)); 9             inputLine = is.readLine();10             if(inputLine.length() == 0)  return null;11         } catch (IOException e) {12             // TODO Auto-generated catch block13             System.out.println("IoException: "+e);14         }15         return inputLine;16     }17 18 }

 1 public class SimpleDotCom { 2     int[]  locationCells; 3     int numOfHits = 0; 4      5     public void setLocationCells(int[] locs) { 6         locationCells = locs; 7     } 8      9     public String checkYourself(String stringGuess){10         int guess = Integer.parseInt(stringGuess);11         String result = "miss";12         for (int cell : locationCells){13             if (guess == cell){14                 result = "hit";15                 numOfHits++;16                 break;17             }18         }19         if(numOfHits == locationCells.length){20             result = "kill";21         }22         System.out.println(result);23         return result;24 25     }26 27 }

 1 public class SimpleDotComGame { 2  3     public static void main(String[] args) { 4         int numOfGuesses = 0; 5         GameHelper helper = new GameHelper(); 6          7         SimpleDotCom theDotCom = new SimpleDotCom(); 8         int randomNum = (int)(Math.random() * 5); 9         10         int[] location = {randomNum,randomNum+1,randomNum+2};11         theDotCom.setLocationCells(location);12         boolean isAlive = true;13         14         while(isAlive == true) {15             String guess = helper.getUserInput("enter a number");16             String result = theDotCom.checkYourself(guess);17             numOfGuesses++;18             if(result.equals("kill")) {19                 isAlive = false;20                 System.out.println("You took"+numOfGuesses+"guesses");21             }22         }23 24     }25 26 }