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5. Datatypes

a. Primitive Types

• boolean

• char (16-bit)

• byte (8-bit signed)

• short (16-bit signed)

• int (32-bit signed)

• long (64-bit signed)

• float (32-bit signed)

• double (64-bit signed)

b. Object Versions of Primitive Types

e.g. The Integer class extends the

abstract Number class to represent

the int type as a class.

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