/* Given an array of ints, return the sum of the first 2 elements in the * array. If the array length is less than 2, just sum up the elements that * exist, returning 0 if the array is length 0. */ public int sum2(int[] nums) { if(nums.length == 0) return 0; if(nums.length == 1) return nums[0]; return nums[0] + nums[1]; }