java中的基本數據類型？各佔多少位？多少字節？取值範圍？

1. Int 32 4 -2,147,483,648 ~ 2,147,483,647
2. Short 16 2 -32768 ~ 32678
3. long 64 8 -9,223,372,036,854,775,808~+9,223,372,036,854,775,807
4. float 32 4 -3,40292347E+38 ~ +3,40292347E+38
5. double 64 8 -1.79769313486231576E+308 ~ 1.79769313486231576E+308
6. char 16 2 ‘\u0000′ ~ ‘\uFFFF’
7. boolean 1 0.125 true/false
8. byte 8 1 -128 ~ 127