Fixed sonar warnings.

Author: javadev

src/main/java/g0001_0100/s0004_median_of_two_sorted_arrays/Solution.java

@@ -3,6 +3,7 @@
 // #Hard #Top_100_Liked_Questions #Top_Interview_Questions #Array #Binary_Search #Divide_and_Conquer
 // #2022_02_21_Time_3_ms_(79.08%)_Space_50_MB_(17.49%)
 
+@SuppressWarnings("java:S2234")
 public class Solution {
     public double findMedianSortedArrays(int[] nums1, int[] nums2) {
         if (nums2.length < nums1.length) {

src/main/java/g0001_0100/s0018_4sum/Solution.java

@@ -29,7 +29,7 @@ public List<List<Integer>> fourSum(int[] nums, int target) {
                 while (k < l) {
                     int sum = nums[i] + nums[j] + nums[k] + nums[l];
                     if (sum == target) {
-                        ArrayList<Integer> l1 = new ArrayList<Integer>();
+                        ArrayList<Integer> l1 = new ArrayList<>();
                         l1.add(nums[i]);
                         l1.add(nums[j]);
                         l1.add(nums[k]);