Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array.

- find successors and predecessors using BST (both list will be sorted); in the end, we can easily get top k from the two sorted list - with BST: **inorder traversal gives us sorted predecessors - ...

Java has endured radical transformations in the technology landscape and many threats to its prominence. What makes this technology so great, and what does the future hold for Java? In a world ...