@Override
        public String toString() {
            return "Interval{" +
                    "start=" + start +
                    ", end=" + end +
                    '}';
        }
Date 03/21/2016
@author Tushar Roy

Insert internal into sorted intervals and merge them.

Time complexity O(n)

https://leetcode.com/problems/insert-interval/
src/com/interview/misc/InsertInterval.java