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Wrapper Classes

Class corresponds to Primitive

Boolean boolean

Character char

Byte byte

Short short

Integer int

Long long

Float float

Double double

Each one:

• allows us to manipulate primitives as objects

• contains useful conversion methods. E.g. Integer contains static Integer valueOf(String s) Integer.valueOf(“27”) is the object corresponding to int 27

• contains useful utility methods (e.g. for hashing)

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