输入a,n 计算a+aa+.....+aaaaa 加到n个a

public class A

{

public static void main(String[] args)

{

int a;

int n;

int sum;

Scanner scan = new Scanner(System.in);

System.out.println("请输入a的值：");

a = scan.nextInt();

System.out.println("请输入n的值：");

n = scan.nextInt();

scan.close();

sum = sumCale(a, n);

System.out.println("计算的结果是：" + sum);

}

private static int sumCale(int a, int n)

{

int sum = 0;

int b = 0;

for (int i = 0; i < n; i++)

{

b = Integer.parseInt((b + "" + a));

System.out.println(b);

sum = b + sum;

}

return sum;

}

}