import java.util.Scanner;
public class Power1Eng {
public static void main(String[] args) {
double x, prod = 1;
int n;
String s;
Scanner input = new Scanner(System.in);
System.out.print("This program prints x(x is a real number) raised to the power of n(n is an integer).\n");
outer_loop:
while (true) {
System.out.print("Input x and n: ");
x = input.nextDouble();
n = input.nextInt();
for (int i = 1; i <= n; i++) {
prod *= x;
}
System.out.printf("%.1f raised to the power of %d is %.4f. Do you want to continue?(Y/N) ", x, n, prod);
s = input.nextLine();
if (s.charAt(0) == 'Y')
continue;
else if (s.charAt(0) == 'N')
break;
else {
inner_loop:
while (true) {
System.out.print("Wrong input. Do you want to continue?(Y/N) ");
s = input.nextLine();
if (s.charAt(0) == 'Y')
continue outer_loop;
else if (s.charAt(0) == 'N')
break outer_loop;
else
continue inner_loop;
}
}
}
}
}
あり、私はちょうどnext()
メソッドを使用する場合のみ、些細な論理エラーでしたが、私はnextLine()
方法、このエラーショーに next()
方法を変更したとき。
この問題を解決するにはどうすればよいですか?