int longµÄÊý¾Ý·¶Î§

java ÕûÊýÐÍ

byte 1×Ö½Ú -128~127 -2^7~2^7-1

short 2×Ö½Ú -32768~32767

int 4¸ö×Ö½Ú -2147483648~2147483647 -2^31~2^31-1

long 8¸ö×Ö½Ú -2^63~2^63-1