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Primitive Types


Type
Description
Size
int
The integer type, with range -2,147,483,648 . . . 2,147,483,647 4 bytes
byte
The type describing a single byte, with range -128 . . . 127
1 byte
short
The short integer type, with range -32768 . . . 32767
2 bytes
long
The long integer type, with range -9,223,372,036,854,775,808 . . . -9,223,372,036,854,775,807 8 bytes
double
The double-precision floating-point type, with a range of about ±10308 and about 15 significant decimal digits
8 bytes
float
The single-precision floating-point type, with a range of about ±1038 and about 7 significant decimal digits 4 bytes
char
The character type, representing code units in the Unicode encoding scheme
2 bytes
boolean
The type with the two truth values false and true
1 bit


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