true、false、null都不是关键字
goto、const、是保留的关键字
abstract continue for new
switch default if package
synchronized do goto private
this break double implements
protected throw byte else
import public throws case
enum instanceof return transient
catch extends int short
try char final interface
static void class finally
long strictfp volatile const
float native super while
boolean assert
java中有效的关键字
原文：https://www.cnblogs.com/charcoal/p/9672016.html
