数字类型数据 byte 8 bits short 16 bits int 32 bits long 64 bits float 32 bits double 64 bits ©2006计算机系杨厚群 All rights lefts reserved. ©2006 计算机系 杨厚群 All rights & lefts reserved. 数字类型数据 byte 8 bits short 16 bits int 32 bits long 64 bits float 32 bits double 64 bits