When creating a method in a class, you could make the method static if:

Question $1$Select one or more:

a$.$

It does not use any instance attributes

b$.$

It needs access to instance attributes

c$.$

You don't want to create an instance to use the method

d$.$

You use the this keyword inside the method.

Question $2$

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Assume we have a Java class Music and some subclasses of Music: Jazz, HipHop, and KPop, each of which define a public method play$().$ We then have some code that defines an array of Music objects, songs, and iterates over that array, for $($Music song : songs$)\{$ song.play$()\}.$ When song is an object of type Jazz, this code calls the $.$play$()$ method defined in the Jazz class, and when it is an object of type KPop, this same code calls the $.$play$()$ method defined in the KPop class. This is an example of $\_\_\_\_\_.$

Question $2$Answer

a$.$

polymorphism

b$.$

abstraction

c$.$

information hiding

d$.$

encapsulation

Question $3$

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A $\_\_\_\_\_\_\_\_\_$ access modifier means that the attribute$/$method is not accessible to anyone outside the class.

Question $3$Answer

a$.$

Protected

b$.$

Package

c$.$

Private

d$.$

Public

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A try statement must be followed by $\_\_\_\_\_$ catch or finally blocks.

Question $4$Answer

a$.$

zero or one

b$.$

one or more

c$.$

zero or more

d$.$

exactly one