题解 |#求1+2+3+...+n#异常捕获模拟if语句

import java.util.*;
public class Solution {
    int[] a = {0};
    public int Sum_Solution(int n) {
        try{
            a[n-1] = 1;
            return 1;
        }
        catch (Exception e){
            return n+Sum_Solution(n-1);
        }
    }
}