added task #977 solution

Author: nesterrovv

src/task_977/Solution.java

@@ -0,0 +1,23 @@
+package task_977;
+
+import java.util.Arrays;
+
+public class Solution {
+
+    public int[] sortedSquares(int[] nums) {
+        int[] answer = new int[nums.length];
+        int i = nums.length - 1;
+        int j  = 0;
+        for (int a = answer.length - 1; a >= 0; a--) {
+            if (Math.abs(nums[i]) > Math.abs(nums[j])) {
+                answer[a] = nums[i] * nums[i];
+                i--;
+            } else {
+                answer[a] = nums[j] * nums[j];
+                j++;
+            }
+        }
+        return answer;
+    }
+
+}