Here's a list of Java's keywords. These words are reserved--you cannot use any of these words as names in your Java programs.
abstract
double
int
static
boolean
else
interface
super
break
extends
long
switch
byte
final
native
synchronized
case
finally
new
this
catch
float
null
throw
char
for
package
throws
class
goto
*private
transient
const
*if
protected
try
continue
implements
public
void
default
import
return
volatile
do
instanceof
short
while
* indicates a keyword that is not currently used