C++与Java基本数据类型及所占用内存空间比较
----------------C++
----------- ------------Java
----------
(01)bool------------------1 byte 01)boolean--1 byte
(02)char------------------1 byte
02)char------2 bytes
(03)signed char---------1 byte 03)byte------1 byte
(04)unsigned char------1 byte
(05)wchar_t--------------2 bytes
(06)short-----------------2 bytes 04)short-----2 bytes
(07)unsigned short-----2 bytes
(08)int--------------------4 bytes 05)int---------4 bytes
(09)unsigned int--------4 bytes
(10)long------------------4 bytes
06)long-------8 bytes
(11)unsigned long-------4 bytes
(12)long long-------------8 bytes
(13)unsigned long long--8 bytes
(14)float-------------------4 bytes 07)float-------4 bytes
(15)double----------------8 bytes 08)double----8 bytes
(16)long double---------12 bytes