如果用戶在末尾鍵入y並且腳本結束,如果用戶在末尾鍵入n,我需要幫助才能使整個腳本從頭開始循環。謝謝你的幫助。如果用戶在java中輸入yes,腳本就會再次運行
package test123;
import java.util.Scanner;
public class test321 {
public static void main(String[] args) {
int n = 1;
int c;
String playAgain;
do {
System.out.println("Enter a number");
Scanner scanner = new Scanner(System.in);
n = scanner.nextInt();
if (n < 0)
System.out.println("Number cant be a negative.");
else
{
int x=n*(n-1)*(n-2);
System.out.println("Factorial= "+x);
System.out.println("Do you want to continue? (y/n):");
playAgain = scanner.nextLine();
}while (!playAgain.equals("y"));
}
}
}
「我需要幫助」 不是一個問題。 –
更改'while(!playAgain.equals(「y」))''while(playAgain.equals(「y」))' – Ravi
您的代碼有誤,請注意{} –