On the code which defines a node class whose elements are Co

On the code which defines a node class whose elements are Comparable. Complete the validBST() method so that it returns true when instance defines a subtree that is a valid BST; and false when the subtree violates the definition of how a BST is ordered.

Code:

package edu.buffalo.cse116;

Solution

A package is what becomes available when you use the import keyword to bring in an entire library, such as

This brings in the entire utility library thats part of the standard Java distribution. For instance, theres a class called ArrayList in java.util, so you can now either specify the full name java.util.ArrayList(which you can do without the import statement), or you can simply say ArrayList (because of the import). .

If you want to bring in a single class, you can name that class in the import statement