#11 inner classes

Question 1

type erasure

Answer 1

how java implements generics:

type T is replace by object type. Then when you want to return T, Java cast the object to the type you want

Question 2

advantage of generics

Answer 2

uses are checked at compile time rather than runtime

Question 3

inner class

Answer 3

class defined inside scope of other class

Question 4

inner class can access

Answer 4

all fields and methods in its outer class

Question 5

outer class can access

Answer 5

all fields and methods in its inner class

Question 6

inner classes can be viewed out side the outer class??

Answer 6

heck yea if it does not have privacy modifiers that keep it private

Question 7

relationship between inner and outer classes

Answer 7

inner class objects must be instantiated with an outer class object. (linked at birth)

Question 8

is an inner class a subclass?

Answer 8

nope

Question 9

to use an inner class outside its outer class

Answer 9

OuterClass.InnerClass
(inner class obj. is associated with the OuterClass in the dot notation)

Question 10

use inne rclass inside outer class

Answer 10

use inner class normally