Given a class General Tree that implements the General Tree Interface from Exercise 22, implement a program that will read a fully parenthesized Lisp expression, as described in Projects 7 and 8 of...

Given a class General Tree that implements the General Tree Interface from Exercise 22, implement a program that will read a fully parenthesized Lisp expression, as described in Projects 7 and 8 of Chapter 5, and create an expression tree. For example, the expression