Write a recursive private method called countTwoEvenChilds to be included in class BinaryTree as discussed in the lectures. The method counts and returns the number of nodes having two children with...

Write a recursive private method calledcountTwoEvenChildsto be included in classBinaryTree as discussed in the lectures. The method counts and returns the number of nodes having two children with even data values  in the binary tree.

This method is called from a public methodcountTwoEvenChildsBT, given as follows:

public   int countTwoEvenChildsBT(){

return  countTwoEvenChilds(root);

}

Method heading:

private int countTwoEvenChilds(Node node)