Scanner userIn = new Scanner(System.in);
      String inString = new String("");
      boolean stopLoop = false;
   
      while (!stopLoop) {
         System.out.println("******** Welcome to the Fishing Tournament Simulation! ********");
         System.out.println("\nThis Game requires 2 players to play.");
         System.out.println("Enter 1 to play.");
         System.out.println("Enter 0 to quit.");
      
      //read in from user as a String -- much less errors can happen!
         inString = userIn.nextLine();
      
      //take off any spaces on the string
         inString = inString.trim();
         
         switch(inString) {
            case "1":
               playGame();
               stopLoop = true;
               break;
            case "0":
               break;
            default :
               System.out.println("Not a valid entry, please enter 1 or 0!");
               break;
       ......
         }
      
      }
       }

 for (int i = 0; i < gameDuration;) {
      
      
         while (!endLoop) {
            playerOnesTurn = true;
            System.out.println("\nPlayer 1, it is your turn!");
            System.out.println("\n* Choose:");
            System.out.println("1. Cast out for a fish");
            System.out.println("2. View sack of fish");
            System.out.println("3. Throw back a fish in the sack");
         
         //read in from user as a String -- much less errors can happen!
            inString = userIn.nextLine();
         
         //take off any spaces on the string
            inString = inString.trim();
         
            switch(inString) {
               case "1":
                  I_a tempFish = lawai_a(lokoi_a);
                  if (tempFish != null) {
                     player1.add(tempFish); 
                  }
                  endLoop = true;
                  break;
               case "2":
                  System.out.println("You have " + player1.size() + " fish in your sack."); 
                  for (int j = 0; j < player1.size(); j++) { 
                     System.out.println("Fish " + (j+1) + " \n" +
                        player1.get(j).toString());
                  } 
                  break;
               case "3":
                        ......

public static I_a lawai_a(ArrayList<FishableI_a> fishPond) {
      
      Random randGen = new Random();
      FishableI_a ia;
      int chosenFish = 0;
      boolean isCaught = false;
      boolean isLegal = false;
      Scanner userIn = new Scanner(System.in);
      String inString = new String("");
      boolean endLoop = false;
   
      
      chosenFish = randGen.nextInt(POND_CAPACITY);
      
      try {
         ia = fishPond.get(chosenFish);
      
         System.out.println("You have hooked a fish!");
      //randomly caught or not
         isCaught = randGen.nextBoolean();
         if (isCaught) {
            System.out.println("You have caught a fish!");
            System.out.println(ia);
            System.out.println("Do you want to keep this fish y/n?");
            
            inString = userIn.nextLine();
            
            if (inString.equalsIgnoreCase("y")) {
               System.out.println("You have kept your fish");
               fishPond.remove(chosenFish);

            .....
                                          
            

public class Anae extends Ama_ama {

   /** constant maximum length for this Ia. */
   private static final double anaeMaxLength = 27.0;

   /** constant minimum length for this Ia. */
   private static final double anaeMinLength = 12.0;


   /**
   * Constructor for making Anae with random length.
   * This is the fourth phase of the family fish.
   * @throws FishSizeException if length is less than minLength
   */
   public Anae() {
      super("'Anae", anaeMaxLength, anaeMinLength, 
         anaeMinLength, (anaeMinLength * 2), dietItems, "silver", "silver", "none");   

      this.initLength();
   }
    ......