Create an abstract class named Account for a bank.
Include an integer field for the account number and a double
field for the account balance. Also include a constructor that requires
an account number and that sets the balance to 0.0. Include a set method
for the balance. Also include two abstract display methods--one for each field.
Create two child classes of Account: Checking and Savings.
Within the Checking class, the display method displays
the String "Checking Account Information", the account number, and the balance.
Within the Savings class, add a field to hold the interest rate and require the
Savings constructor to accept an argumentfor the value of the interest rate.
The Savings display method displays the String "Savings Account Information",
the account number, the balance, and the interest rate.
Write an application that demonstrates you can
instantiate and display both Checking and Savings objects.
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