数据范围类型

数据类型范围char(1 Byte)-128 ~ +127short(2 Bytes)-32767 ~ +32768unsigned short0 ~ 65535int(4 Bytes)-2147483648 ~ +2147483647unsigned int0 ~ 4294967295long(4 Bytes)-2147483648 ~ +2147483647long long(8 Bytes)-9223372036854774808 ~ 9223372036854774807unsigned long long18446744073709551615double(8 Bytes)-1.7E+308 ~ +1.7E+308__int64(8 Bytes)-9223372036854774808 ~ 9223372036854774807unsigned __int6418446744073709551615