This program is to find tree in graph. Tree in graph is a connected graph which not contains any cycle or called acyclic graph. Tree graph is a simple graph. This program used to find tree, using Java scr ipts.

一个无环无向连通图称为一棵树。树中一个度为一的点称为叶子结点.(An undirected and undirected graph is called a tree. A point in a tree is called a leaf node. I downloaded something first, and I'm sorry to upload it.)