Java™ How to Program, Seventh Edition

Appendix C. Keywords and Reserved Words

Figure C.1. Java keywords

Java Keywords
abstract	assert	boolean	break	byte
case	catch	char	class	continue
default	do	double	else	enum
extends	final	finally	float	for
if	implements	import	instanceof	int
interface	long	native	new	package
private	protected	public	return	short
static	strictfp	super	switch	synchronized
this	throw	throws	transient	try
void	volatile	while
Keywords that are not currently used
const	goto

Java also contains the reserved words true and false, which are boolean literals, and null, which is the literal that represents a reference to nothing. Like keywords, these reserved words cannot be used as identifiers.