Arrays recap

What value is at index 1 in this array?  String[] names = {"Mack", "Dennis", "Dee", "Charlie"};

• Mack
• Dennis
• Dee
• Charlie

Arrays always have the same...

• data types
• text types
• numbers
• types of data

Values in arrays cannot be changed.

• False
• True

var groceries = ["milk", "sugar", "eggs", "cake"];

What is the value of groceries[2] in the above array?

• "milk"
• "sugar"
• "eggs"
• "cake"

What is printed by the following lines of code?

• eggs
• bread
• 2
• sugar

var arr = [1, 4, 55, 23, 11, 2];

What is the value of arr.length?

• 5
• 6
• 9
• 2

How many types of arrays are there?

• One-Dimension Array

• Two-Dimension Array

• Three Dimension Array

• five Dimension Array

what technique is used for sorting arrays

• selection sort

• apple sort

• bubble sort

• move sort

Which of the following facts about arrays is TRUE?

• Arrays can contain items of different data types

• Arrays can only contain items of a single data type

• Lists and arrays are the same thing

• An arrays is a type of variable

The following array is created in a program: " DIREWOLVES = ["Nymeria","Shaggy Dog","Ghost","Lady","Grey Wind","Summer"]

What is the item stored in DIREWOLVES [2] ?

• "Shaggy Dog"

• "Ghost"