Use of simple data types should involve the creation of a program that declares a variable of type int, byte, short, char, long, double, float, or Boolean. Description of each variable follows:

Keyword

Description

Size/Format

 

(integers)

 

byte

Byte-length integer

8-bit two's complement

short

Short integer

16-bit two's complement

int

Integer

32-bit two's complement

long

Long integer

64-bit two's complement

 

(real numbers)

 

float

Single-precision floating point

32-bit IEEE 754

double

Double-precision floating point

64-bit IEEE 754

 

(other types)

 

char

A single character

16-bit Unicode character

Boolean

A Boolean value (true or false)

true or false