Java递归求和1+2+3+...+n

[java]代码库

public class Sum {
 
    public static int count(int n) {
 
        if (n > 1) {
            return count(n - 1) + n;
        } else {
            return n;
        }
    }
 
    public static void main(String[] args) {
        System.out.println(Sum.count(100));
    }
}