In need of programing problems,thx.

if implemented by C++?the Iterator symbols (or bits) could be String, i.e., a null terminated character array.

The goals of this project are to practice Huffman Trees, polymorphism, and recursion. .You are expect to do the work in Java (or C++ if you prefer). A Huffman Tree is a special type of binary tree used for data compression. A small Huffman Tree appears below