QUESTION:

In Java:

1. Create a class BANK with variables STRING BANKID and INT INTERESTRATE and a constructor. INTERESTRATE is assigned a value of 3. Create a method DISPLAY to display the BANKID and INTERESTRATE.

2. Create a subclass of BANK named FEDERALCREDIT. This SUBCLASS will have a constructor and a variable INT INTERESTRATE which is assigned a value of 2. This subclass will have a DISPLAY method to display the BANKID and INTERESTRATE.

3. Create a subclass of BANK named WASHINGTONMUTUAL. This SUBCLASS will have a constructor and a variable INT INTERESTRATE which is assigned a value of 1. This subclass will have a DISPLAY method to display the BANKID and INTERESTRATE.

4. Create an object of the superclass and one of each subclasses.

5. How are the properties, inheritance and polymorphism utilized here?