Add Java solution 1984-minimum-difference-between-highest-and-lowest-of-k-scores.java

Author: gnohgnij

java/1984-minimum-difference-between-highest-and-lowest-of-k-scores.java

@@ -0,0 +1,15 @@
+class Solution {
+    public int minimumDifference(int[] nums, int k) {
+        if(k == 1) return 0;
+
+        Arrays.sort(nums);
+
+        int min = Integer.MAX_VALUE;
+        for(int i=0; i<nums.length-k+1; i++) {
+            int diff = Math.abs(nums[i] - nums[i+k-1]);
+            min = Math.min(diff, min);
+        }
+
+        return min;
+    }
+}