Find First and Last Position of Element in Sorted Array

class Solution {
    public int[] searchRange(int[] nums, int target) {
        int[] ans = {-1,-1};
        
        ans[0] = search(nums, target, true);
        ans[1] = search(nums , target, false);

        return ans;
    }

    public int search(int[] nums, int target, boolean findfirstIndex){

        int start = 0;
        int end = nums.length - 1;
        int ans = -1;
        while(start <= end){
            int mid = start + ((end - start)/2);
            if(target == nums[mid]){
                ans = mid;
                if(findfirstIndex){
                    end = mid - 1;
                }else{
                    start = mid + 1;
                }
            }else if(target > nums[mid]){
                start = mid + 1;
            }else{
                end = mid - 1;
            }
        }
        return ans;
    }
}