剑指 Offer 53 - I. 在排序数组中查找数字 I

public int search(int[] nums, int target) {
        int len = nums.length;
        int i = 0,j = -1;
        while(i<len){
            if(nums[i] == target){
                j = i+1;
                while(j<len){
                    if(nums[j]!=target){
                        return j-i;
                    }else{
                        j++;
                    }
                }
                if(j == len) return j-i;
            }else{
                i++;
            }
        }
        return 0;
    }