物件導向程式設計

 

 

      2.1.Java基本資料型態(Data Type)

 

 

授課教師：陳慶瀚

WWW : http://www.miat.ee.isu.edu.tw/java

E-mail : pierre@isu.edu.tw  　

 

2.1.Java基本資料型態(Data Type)

 


whole numbers
 
 
 
Type 
Size/Format	
Description
 
byte
 
8-bit two's complement
 
Byte-length integer

short
 
16-bit two's complement
 
Short integer
 
int
 
32-bit two's complement
 
Integer

long
 
64-bit two's complement
 
Long integer
 
 
real numbers
 
 
Type 
Size/Format	
Description
 
float
 
32-bit IEEE 754
 
Single-precision floating point
 
double
 
64-bit IEEE 754
 
Double-precision floating point

 
other types
 
 
Type 
Size/Format	
Description
 
char
 
6-bit Unicode character
 
A single character

boolean
 
true or false 
A boolean value (true or false)
 

 

　

物件導向程式設計

義守大學電機系 陳慶瀚

2001.10.02