Computers and Technology, 05.05.2020 16:57 rishiganesh
Consider the following class descriptions and code. Account is an abstract class with one abstract method named getInterestRate. BasicCheckingAccount is a concrete class that extends Account. EnhancedCheckingAccount extends BasicCheckingAccount and overrides getInterestRate.
Account acct;
double rate1, rate2;
acct = new BasicCheckingAccount(< parameters not shown >);
rate1 = acct. getInterestRate(); // assignment 1
acct = new EnhancedCheckingAccount(< parameters not shown >);
rate2 = acct. getInterestRate(); // assignment 2
The reference to getInterestRate in assignment 2 is to the class
a. Account
b. EnhancedCheckingAccount
c. SavingsAccount
d. The code cannot run, because the variable acct cannot be assigned to an EnhancedCheckingAccount object in the line before assignment 2.
Answers: 1
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Consider the following class descriptions and code. Account is an abstract class with one abstract m...
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