CodeHS 5.6 The List Interface

Who is the lecturer in the video?

• Calvin

• John

• Clara

• Amanda

What is List?

• an interface

• a class

• an object

• an instance variable

• Baby don't hurt me, don't hurt me, no more

One of the important methods in List is add. Name another important method (just the name) in List.

How many parameters does the add method have in List?

• 0

• 1

• 2

• Trick question: it's overloaded with 1 and 2 parameters

Match the following for the List interface

• void

• add(E elem)

• boolean

• size()

• int

• add(int index, E elem)

• E

• remove(int index)

ArrayList implements

• List

• Array

• ArrayList

• Object

• ListArray

What is a data structure?

• another name for a class

• data stored as a set of variables

• variables inherited from a parent class

• data organized in a particular way

What is the name of the value that denotes an element of a List?

• index

• number

• key

• bound

What is the index of the final element of a List called foo?

• foo.size() - 1

• foo.size()

• foo.length

• foo.length - 1

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