[Ch5] Test code updated to the code on p 103

public class SimpleStartupTestDrive {

  public static void main(String[] args) {

    SimpleStartup dot = new SimpleStartup();

    int[] locations = {2,3,4};

    dot.setLocationCells(locations);

    int userGuess = 2;

    String result = dot.checkYourself(userGuess);

    System.out.println(result);

    String testResult = "failed";

    if (result.equals("hit") ) {

      testResult = "passed";

    }

    System.out.println(testResult);

  }

}