Need the methods in java program as well as the main method must be written in a single class file. Need a single class for each method.

Print elements of all the Nodes of a tree using Pre-order Traversal.

Print elements of all the Nodes of a tree using In-order Traversal.

Print elements of all the Nodes of a tree using Post-order Traversal.

A method which will evaluate whether two trees are exactly same or not.