Lesson 2.1: Arrays

Question 1

_____ are data structures consisting of related data items of the same type.

Answer 1

Arrays

Question 2

The values contained in the array are called _____.

Answer 2

elements/components

Question 3

We access the individual elements of the array through their position number, referred to as the _____.

Answer 3

Index or subscript

Question 4

The components of the array can both be primitive or reference types but arrays are objects and they are primitive types. True or False?

Answer 4

False

Question 5

Since arrays are objects, they are declared using the new keyword.

Answer 5

Declaration

Question 6

Array with one subscript.

Answer 6

single-dimensional arrays

Question 7

Array with more than one subscript.

Answer 7

multi-dimensional arrays

Question 8

an array with m rows and n columns is called an _____.

Answer 8

m-by-n array.

Question 9

a[m][n] is equal to?

Answer 9

a[row][column]

Question 10

The value of an object that references nothing.

Answer 10

null

Question 11

How do you access array elements.

Answer 11

Brackets and Indices.

Question 12

An array with rows of different length.

Answer 12

Ragged array