Unit#8 Quiz#1(Basic Arrays) fall 24

Name

An array is a list of data items that...

• all have the same data type
• all have the different names
• all are integers
• all are null

Below are three examples of....

• All three are examples of declaring an Array but NOT initializing an Array
• "B" is Declaring an Array, "A" and "C" are Declaring and also Initializing an Array
• All three examples both Declare and Initialize an Array
• These are not Arrays

Which of the following could be used to retrieve a score from the array scores[ ]?

• A
• B
• C
• D

Which of the following datatypes can be stored in an array?

• character
• double
• int
• String
• All

What is the value of creditScores.length( ) ? *notice the ( )'s after the word length.

• 0
• 1
• 2
• 3
• error

What is the value of creditScores.length ? *notice there are NO ( )'s after the word length.

• 0
• 1
• 2
• 3

Which of the following choices allow you to change one of the scores in the scores[ ] array?

• A
• B
• C
• D

Which of the following names of an array uses "programmer Best Practice" for naming an array?

• dog
• dog1
• firstDog
• dogs

True of False, you can store a double in this array?

• true
• false
• true, but only if you expand the array