/**
* Guess at a computer generated random number.
*
* @Laura
* @2.1
*/
import java.util.*;
import java.lang.Math.*;
import java.lang.Integer.*;
public class GuessingGame2
{
public static void main(String[] args) {
int win = 0; //initializing variables
int guess1 = 0;
int guess2 = 0;
int guess3 = 0;
String play = "1"; //set to 1 to make sure the program always runs once
while (play.equals("1")) {
win = (int)(Math.random() * 10 + 1); //generates random number between 1 and 10
Scanner s = new Scanner(System.in);
System.out.println("You are playing a guessing game.");
System.out.print("Enter a number between 1 and 10 for your first guess: "); //prompts for input
guess1 = s.nextInt();
checkIfGuessIsInRange(guess1, s);
if (guess1 == win) { //if first guess is correct, the game stops and declares you a winner
System.out.println("Winner. The random number was " + win + "."); //tells what the random number was
System.out.println("You guessed " + guess1 + "."); //tells what your guesses were
System.out.print("Would you like to play again? Enter 1 to play again. Enter 2 to stop: "); //prompts for input again
play = s.nextLine(); //re-assigns play to 1 or 2 to continue or exit the while loop
} else { //the rest of the nested if-else statements are basically the same
System.out.print("Wrong. Enter a number between 1 and 10 for your second guess: ");
guess2 = s.nextInt();
checkIfGuessIsInRange(guess2, s);
if (guess2 == win) {
System.out.println("Winner. The random number was " + win + ".");
System.out.println("You guessed " + guess1 + " and " + guess2 + ".");
System.out.print("Would you like to play again? Enter 1 to play again. Enter 2 to stop: ");
play = s.nextLine();
} else {
System.out.print("Wrong. Enter a number between 1 and 10 for your third guess: ");
guess3 = s.nextInt();
checkIfGuessIsInRange(guess3, s);
if (guess3 == win) {
System.out.println("Winner. The random number was " + win + ".");
System.out.println("You guessed " + guess1 + ", " + guess2 + ", and " + guess3 + ".");
System.out.print("Would you like to play again? Enter 1 to play again. Enter 2 to stop: ");
play = s.nextLine();
} else {
System.out.println("Sorry, you're a loser. The random number was " + win + ".");
System.out.println("You guessed " + guess1 + ", " + guess2 + ", and " + guess3 + ".");
System.out.print("Would you like to play again? Enter 1 to play again. Enter 2 to stop: ");
play = s.nextLine();
}
}
}
while (play.compareTo("1") != 0 && play.compareTo("2") != 0) { //catches if the user input is something other than 1 or 2
System.out.print("That is not a valid answer. Try again. Enter a 1 or a 2: ");
play = s.nextLine();
}
while (!checkIfStringIsNumber(play)) {
System.out.print("That is not a valid answer. Try again. Enter a 1 or a 2: ");
play = s.nextLine();
}
}
System.out.println("Program terminated.");
}
public static boolean checkIfStringIsNumber(String s) {
try {
Integer.parseInt(s);
} catch (NumberFormatException e) {
return false;
}
return true;
}
public static void checkIfGuessIsInRange(int guess, Scanner s) {
if (guess < 1) {
System.out.print("That is not a valid answer. Try again. Enter a number between 1 and 10: ");
guess = s.nextInt();
} else if (guess > 10) {
System.out.print("That is not a valid answer. Try again. Enter a number between 1 and 10: ");
guess = s.nextInt();
}
}
}
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