Create 57-Insert-Interval.java

Author: SharmaTushar1

java/57-Insert-Interval.java

@@ -0,0 +1,19 @@
+class Solution {
+    public int[][] insert(int[][] intervals, int[] newInterval) {
+        List<int[]> res = new ArrayList<>();
+        for (int[] interval: intervals) {
+            if (newInterval==null || interval[1]<newInterval[0]) res.add(interval);
+            else if (interval[0]>newInterval[1]) {
+                res.add(newInterval);
+                res.add(interval);
+                newInterval = null;
+            }
+            else {
+                newInterval[0] = Math.min(interval[0], newInterval[0]);
+                newInterval[1] = Math.max(interval[1], newInterval[1]);
+            }
+        }
+        if (newInterval!=null) res.add(newInterval);
+        return res.toArray(new int[res.size()][]);
+    }
+}