Create Largest Positive Integer That Exists With Its Negative.java

Author: varunu28

Easy/Largest Positive Integer That Exists With Its Negative.java

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+class Solution {
+  public int findMaxK(int[] nums) {
+    int largestNumber = -1;
+    Set<Integer> set = new HashSet<>();
+    for (int num : nums) {
+      if (set.contains(-1 * num)) {
+        largestNumber = Math.max(Math.abs(num), largestNumber);
+      }
+      set.add(num);
+    }
+    return largestNumber;
+  }
+}