Database Operations on a Binary Search Tree (Java)

YOU WILL NEED TO IMPLEMENT THE FOLLOWING METHODS 

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CHECK THE ATTACHED FILE

The details of the specification are given in a comment

above the methods in the files.  They currently just have

stub code.

DBLeafTreeNode.java

  eval

DBBopTreeNode.java

  eval (this is the most complicated thing you have to do

        because there are so many binary operators and

        types)

DBUopTreeNode.java

  eval

BinarySearchTree

  filteredSubset

  filteredDelete

  and the five aggregate operator methods if you do

  the extra credit

Player.java

  satisfies

  evaluate

DB.java

  the DB(Scanner) constructor

There are drivers and expected output for the drivers included in the zip file along with other classes and data needed.