Method Tree

Trees/delete_nodes_BST.cpp:15–20

class constructor called when any object or pointer is created without any parameter.

    //class constructor called when any object or pointer is created without any parameter.
    Tree()                          
    {
        val=0;
        left=nullptr;
        right=nullptr;
    }

     //class constructor called when an object or pointer is called while passing an argument (val). 
    Tree(int val)