baezl :
The expected output of the code is for a user to guess a randomly generated number between 0 to 100000, and for each guesses he pay $1.00, if the user guesses right he wins $1m, if not he is asked if he want a hint. each hint cost $2.00. so the code continues to run until the user quits the game or wins. the problem with my code is that after asking the user if he wants a hint or not the scanner input code doesn't run.
package com.company;
import java.util.Random;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int guess, toguess;
String payOrQuit, yesOrNo;
double totalSpent = 0.0, hint, value;
boolean isWon = false, isQuit = false;
Random rand = new Random();
while (!isWon && !isQuit) {
toguess = rand.nextInt(1000000);
System.out.println("Want to win a million dollars?");
System.out.println("If so, guess the winning number (a number between 0 and 100000).");
System.out.print("Insert $1.00 and enter your number or 'q' to quit: ");
payOrQuit = input.nextLine();
if (payOrQuit.matches(".*\\d.*")) { // IF pays or quit
value = Double.parseDouble(payOrQuit);
System.out.println(toguess);
System.out.print("Guess a number: ");
guess = input.nextInt();
if (guess == toguess) { // IF 2 starts
System.out.println("YOU WIN!\nYou won $1000000!");
isWon = true;
} else {
totalSpent += value;
System.out.print("Sorry, good guess,Do you want me to give you a hint (y|n)?");
yesOrNo = input.nextLine();
if (yesOrNo.equals("y")) { // IF 3 starts
System.out.print("Insert $2.00 for the hint! : ");
hint = input.nextDouble();
totalSpent += hint;
if (guess > toguess) {
System.out.println("Guessed number too high");
} else {
System.out.println("Guessed number too low");
}
} else {
System.out.println("amount lost = " + totalSpent);
isQuit = true;
} // IF 3 ends
} // IF 2 ends
} else {
System.out.println("amount lost = " + totalSpent);
isQuit = true;
} // IF pays or quit ends//
}
}
}
Arvind Kumar Avinash :
The problem is because of input.nextInt() and input.nextDouble().
guess = input.nextInt();
Change it to
guess = Integer.parseInt(input.nextLine());
Similarly, also change
hint = input.nextDouble();
to
hint = Double.parseDouble(input.nextLine());
Check Scanner is skipping nextLine() after using next() or nextFoo()? for more information.
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