1. Complete the linked implementation of the queue ADT discussed in this chapter. Verify that exceptions are raised when preconditions are violated. 2. Rework the two queue implementations to...

1. Complete the linked implementation of the queue ADT discussed in this chapter. Verify that exceptions are raised when preconditions are violated.

2. Rework the two queue implementations to eliminate redundant instance variables and methods. This project involves defining a new class and making use of inheritance.