Duplicate of Computer Science - Polymorphism, inheritance

Question 1

In the relationship between a subclass and a superclass, which class is the more general class?

Accepted Answer

superclass

Question 2

______ breaks a problem down to simpler cases to solve it.

Accepted Answer

recursion

Question 3

The idea that behavior can vary depending on the type of an object.

Accepted Answer

polymorphism

Question 4

This sort looks through an array finding the smallest element and moving it to the front.

Accepted Answer

selection sort

Question 5

When a class implements an interface, the keyword ______ is used.

Accepted Answer

implements

Question 6

In a constructor of a subclass, parameters can be passed to the superclass constructor by...

Accepted Answer

using super in the first line, along with the parameters

Question 7

Given an integer array, which element of the array is being referenced with a[length - 1]?

Accepted Answer

the last one

Question 8

A recursive solution must have a _______ in order for the recursion to end.

Accepted Answer

base case

Question 9

The keyword _______ is used when creating a subclass inheriting the properties of a superclass.

Accepted Answer

extends

Question 10

A subclass can __________ a method from the superclass using the same exact method signature.

Accepted Answer

override

Question 11

A subclass is allowed to access ________ variables of a superclass.

Accepted Answer

public, protected

Question 12

This sort splits an array in half recursively and puts the two sorted halves back together.

Accepted Answer

merge sort

Questions 12