5. Arrays

Question 1

Array

Answer 1

• A special variable having one name, but storing a list of data items, with each item being directly accessible
• Each item in an array is known as an element

Question 2

Index

Answer 2

In an array, each element’s location number is called the index

Question 3

Array Variable

Answer 3

an ordered list of items of a given data type and size

Question 4

Element

Answer 4

Each item in an array

Question 5

Scalar Variable

Answer 5

a single-item (non-array) variable

Question 6

[ ] are brackets
{ } are braces
( ) are parentheses

Question 7

for i = userInts.size - 1; i >= 0; i = i - 1

Answer 7

Go through array backwards

Question 8

Swapping

Answer 8

means to assign y’s value with x, and x’s value with y. If x is 33 and y is 55, then after swapping x is 55 and y is 33.