当您连续两次输入随机值（如“i”）时，程序将终止。我希望“无效数据，请重试”和“您想再玩一次吗？”会一直重复，直到输入N或Y为止。
它应该是：
"...等等。"
"代码："
7 8 5
No numbers match
Do you want to play again?
i
Invalid data please try again
Do you want to play again?
i
Thank you for using this program
它应该是：
7 8 5
No numbers match
Do you want to play again?
i
Invalid data please try again
Do you want to play again?
i
Invalid data please try again
Do you want to play again?
"...等等。"
"代码："
import java.util.Random;
import java.util.Scanner;
public class TestSlotMachine {
public static void main(String[] args) {
String choice;
Scanner keyboardScanner = new Scanner(System.in);
do {
Random randomNumber = new Random();
int slot1, slot2, slot3;
slot1 = randomNumber.nextInt(9);
slot2 = randomNumber.nextInt(9);
slot3 = randomNumber.nextInt(9);
System.out.println(slot1+" "+slot2+" "+ slot3);
if (slot1 != slot2 && slot1 != slot3 && slot2 != slot3) {
System.out.println("No numbers match");
}
else if (slot1 == slot2 && slot2 == slot3) {
System.out.println("Three numbers match");
}
else {
System.out.println("Two numbers match");
}
System.out.println("Do you want to play again?");
choice = keyboardScanner.next();
if (!choice.equalsIgnoreCase("n") && !choice.equalsIgnoreCase("y")) {
System.out.println("Invalid data please try again");
System.out.println("Do you want to play again?");
choice = keyboardScanner.next();
}
} while (choice.equalsIgnoreCase("y"));
System.out.println("Thank you for using this program");
keyboardScanner.close();
}
}