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In Java file.list() and file.listFiles() are used to list all File objects (file and directory) at given directory (All Files just one level down to that abstract file path). Suppose we want to list all nested files present at all level with respect …

Left view of tree means - nodes which are visible when tree is viewed from left side.And similarly right view of tree is all nodes visible from right side of tree.Consider following binary tree Left view of tree : [12,23,11,56] Approach 1:- Using…

Sometimes we need to create temporary file in system and need to delete the same automatically. In Java we have a static method ( createTempFile(prefix, suffix, dir)  ) in File class which creates temporary file and provides facility of automatic clea…

Topics covered 1. Find maximum element node in binary tree - Recursive 2. Find maximum element node in binary tree - Iterative 3. Complete sample program- recursive and iterative In order to find maximum element in the binary tree we can use re…