Keywords are the reserved words whose meaning is already defined. Keywords cannot use for declaring variable names, class name, method name or any identifier name. Java keywords are written in lower case.
abstract | assert | boolean | break |
byte | case | catch | char |
class | const | continue | default |
do | double | else | enum |
extends | final | finally | float |
for | goto | if | implements |
import | instanceof | int | interface |
long | native | new | open |
package | private | protected | public |
requires | return | short | static |
super | switch | synchronized | this |
throw | throws | transient | try |
void | volatile | while | with |