Quiz Game - IF Statements & Possible Else If?

Question

I am very new to this and was wondering if anyone could help me. I want the code to be able to stop asking questions after the answer is on certain questions. I get it to work on the first ones like the parrot and emu but I can't seem to add others. Please advise me what I am doing wrong.

The code so far is:

import java.util.Scanner;

/**
* Guessing Game.
* 
* @author O 
* @version 99
*/
public class Quiz
{
public static void main(String[] args)
{
    Scanner keyboard = new Scanner(System.in);
    boolean answerIsCorrect;

    System.out.println("Think of an animal.\n");

    if(ask("Is it a bird? ", keyboard))
    {
        if(ask("Can it fly? ", keyboard))
        {
            answerIsCorrect = ask("Is it a parrot? ", keyboard);
        }
        else
        {
            answerIsCorrect = ask("Is it an emu? ", keyboard);
        }

    {
        if(ask("Does it live in the ocean? ", keyboard))
    {
        if(ask("Is it a whale? ", keyboard))
        {
            answerIsCorrect = ask("Answer 1? ", keyboard);
        }
        else
        {
            answerIsCorrect = ask("Answer 2? ", keyboard);
        }
    }
    }
    }



    else



    {
        if(ask("Does it lay eggs? ", keyboard))
        {
            answerIsCorrect = ask("Is it a platypus? ", keyboard);
        }
        else
        {
            answerIsCorrect = ask("Is it a kangaroo? ", keyboard);
        }
    }


    if(answerIsCorrect)
    {
        System.out.println("I am good!");
    }
    else
    {
        System.out.println("Drats! I guess I don't know then!");
    }
 }

 /**
 * A utility method to ask a yes/no question
 * 
 * @param question the question to ask
 * @param a scanner for user input
 * 
 * @return whether the user answered "yes" (actually, whether the user answered
   anything starting with Y or y)
 */
 private static boolean ask(String question, Scanner keyboard)
 {
    System.out.print(question);

    String answer = keyboard.nextLine().trim();



    return answer.charAt(0) == 'Y' || answer.charAt(0) == 'y';
  }
   }

Answer 1

You seem have an extra pair of brackets in your code (after the initial if statement. You probably want to remove those. Also, you'll probably want to add an else if. So, something like:

if(ask("Is it a bird? ", keyboard))
{
    if(ask("Can it fly? ", keyboard))
    {
        answerIsCorrect = ask("Is it a parrot? ", keyboard);
    }
    else
    {
        answerIsCorrect = ask("Is it an emu? ", keyboard);
    }           
}
else if(ask("Does it live in the ocean? ", keyboard))
{
    if(ask("Is it a whale? ", keyboard))
    {
        answerIsCorrect = ask("Answer 1? ", keyboard);
    }
    else
    {
        answerIsCorrect = ask("Answer 2? ", keyboard);
    }
}
else
{
    if(ask("Does it lay eggs? ", keyboard))
    {
        answerIsCorrect = ask("Is it a platypus? ", keyboard);
    }
    else
    {
        answerIsCorrect = ask("Is it a kangaroo? ", keyboard);
    }
}

Hope that helps. Good luck with learning how to program.