how to find the sum of an array in java
int [] arr = {1,2,3,4};
int sum = Arrays.stream(arr).sum(); //prints 10how to find the sum of an array in java
int [] arr = {1,2,3,4};
int sum = Arrays.stream(arr).sum(); //prints 10java running sum of array
class Solution {
public int[] runningSum(int[] nums) {
int[] sol = new int[nums.length];
sol[0] = nums[0];
for(int i = 1; i < nums.length; i++) {
sol[i] = sol[i-1] + nums[i];
}
return sol;
}
}
// Example: runningSum([1,3,6,9]) = [1, 4, 10, 19] = [1, 1+3, 1+3+6, 1+3+6+9]Copyright © 2021 Codeinu
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