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Copy pathNumberGuessingGame6.java
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87 lines (67 loc) · 2.41 KB
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package practice;
import java.util.HashSet;
import java.util.InputMismatchException;
import java.util.Random;
import java.util.Scanner;
import java.util.Set;
public class NumberGuessingGame6 {
public static void main(String[] args) {
Random random = new Random();
Scanner scanner = new Scanner(System.in);
// The answer
final int ANSWER = random.nextInt(10);
// The user's guess
int guessNumber;
// The limit of guesses
final int LIMIT = 5;
// The range of the guess answer
final int MIN_GUESS = 0;
final int MAX_GUESS = 9;
// The checker of number is said already
Set<Integer> guesses = new HashSet<>();
// Start of the game
for (int guessCount = 0; guessCount < LIMIT;) {
// Checking #1 - Check if the input is a whole number
try {
System.out.print("Guess: ");
guessNumber = scanner.nextInt();
} catch (InputMismatchException ime) {
scanner.nextLine();
System.out.println("Invalid input");
continue;
}
// Checking #2 - Check if the guess is in range
if (guessNumber < MIN_GUESS || guessNumber > MAX_GUESS) {
System.out.println("Guess 0-9 only");
continue;
}
// Checking #3 - Check if guess is said already
if (guesses.contains(guessNumber)) {
System.out.println("You've already tried " + guessNumber);
continue;
}
guesses.add(guessNumber);
// Correct
if (guessNumber == ANSWER) {
System.out.println("Correct! It's " + ANSWER);
break;
}
// Wrong | Out of guesses
guessCount++;
if (guessCount == 5) {
System.out.println("Out of guesses! It's " + ANSWER);
break;
}
// Clues | Hints
if (guessNumber > ANSWER) {
System.out.println("Lower!");
} else {
System.out.println("Higher!");
}
// Reminder of number of guess left
System.out.println((guessCount < LIMIT) ? (LIMIT - guessCount) + " guesses left" : "1 guess left");
}
// Closing the scanner
scanner.close();
}
}