Add equals and hashCode methods( unless they are already defined) to the following classes. Create a test driver to show that your code works properly.

a. The FamousPerson class is defined in Chapter 5 and found in the support package.

b. The Date class is defined in Chapter 1 and found in the ch01.dates package.

c. The WordFreq class is defined in Chapter 7 and found in the support package.

d. The Card class is defined in Chapter 6 and found in the support package.

e. The CardDeck class is defined in Chapter 6 and found in the support. cards package.