Aug 112011
java中的基本数值类型,如下表:
|
Primitive type |
Size |
Minimum |
Maximum |
Wrapper type |
|---|---|---|---|---|
|
boolean |
— |
— |
— |
Boolean |
|
char |
16-bit |
Unicode 0 |
Unicode 216- 1 |
Character |
|
byte |
8-bit |
-128 |
+127 |
Byte |
|
short |
16-bit |
-215 |
+215—1 |
Short |
|
int |
32-bit |
-231 |
+231—1 |
Integer |
|
long |
64-bit |
-263 |
+263—1 |
Long |
|
float |
32-bit |
IEEE754 |
IEEE754 |
Float |
|
double |
64-bit |
IEEE754 |
IEEE754 |
Double |
|
void |
— |
— |
— |
Void |