编写一个Java程序输出1！+2！+3！+……+10！的和

编写一个Java程序输出1！+2！+3！+……+10！的和

public void sum() {

    int sum = 0;
    for (int i = 1; i < 11; i++) {
        int n = 0;
        for (int j = 0; j < i; j++) {
            n = n * j;
        }
        sum = sum + n;
    }
    System.out.println("1！+2！+3！+……+10！="+sum);
}