Using the given definition of the Measurable interface: Select the correct expression to display the balance of the bank account.
A)m.BankAccount.getBalance()
B)m.getBalance()
C)((BankAccount) m).getBalance()
D)m.super.getBalance()

Question

Using the given definition of the Measurable interface:  Select the correct expression to display the balance of the bank account. 
A)m.BankAccount.getBalance() 
B)m.getBalance() 
C)((BankAccount) m).getBalance() 
D)m.super.getBalance()

Quizplus · Accepted Answer

Since the Measurable interface does not have a getBalance() method, we need to cast the Measurable object to a BankAccount object so that we can call the getBalance() method defined in the BankAccount class. Thus, ((BankAccount) m).getBalance() is the correct expression to display the balance of the bank account.

Using the Given Definition of the Measurable Interface: Select