Consider the Abstract Superclass Below

question 25

Multiple Choice

Consider the abstract superclass below:
public abstract class Foo {
Private int a;
Public int b;
Public Foo(int aVal, int bVal) {
A = aVal;
B = bVal;
}
Public abstract int calculate() ;
}
Any concrete subclass that extends class Foo:

• A) Must implement a method called calculate.
• B) Will not be able to access the instance variable
• C) Neither (a) nor (b).
• D) Both (a) and (b).

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Definitions:

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it.

Availability Heuristic

A cognitive bias that causes people to overestimate the likelihood of events based on their ability to recall examples more easily.

Confirmation Bias

The habit of looking for, comprehending, selecting, and reminiscing about information that validates an individual's prior convictions or theories.

Hindsight Bias

The tendency to believe, after learning an outcome, that one would have foreseen it, also known as the "knew-it-all-along" effect.