3. Example 3: heterogeneous list

We're going to create a class to manage a linked list of objects of different types, with the following functionalities:

• add a new element ;

• displays the values of all elements in the list ;

• list browsing mechanism.

Remember that, in a linked list, each element contains a pointer to the next element. In addition, a pointer designates the first element in the list. This corresponds to the following diagram:

.