1480. Running Sum of 1d Array -with java- (leetcode.com)

Solution.java

/*
Your runtime beats 100.00 % of java submissions.
Your memory usage beats 91.56 % of java submissions.
*/

class Solution {
    public int[] runningSum(int[] nums) {
        for(int i = 1 ; i  < nums.length ; i++){
            nums[i]+=nums[i-1];
        }
        return nums;
    }
}