关键字不能用作变量名或方法名
Java中的关键字/保留字 | ||||
abstract | assert | boolean | break | byte |
case | catch | char | class | const |
continue | default | do | double | else |
extends | final | finally | float | for |
goto | if | implements | import | instanceof |
int | interface | long | native | new |
null | package | private | protected | public |
return | short | static | strictfp | super |
switch | synchronized | this | throw | throws |
transient | try | void | volatile | while |