Confused on how to do this problem; answer is meant to be in java. Any help would be appreciated. Thank you!

List Sum Sum all list values. Problem Problem: Write a method that will sum all values in the list parameter. The code should work regardless of the parameter passed in. Data: A list containing 0 or more values. The list will not point at null. Output: Return the sum. Sample Data 1, 2, 3, 1, 1 4, 15, 7, 3, 7 2, 2, 2 -11, -12, 3, 7, -13 Sample Output 8 36 6 -26