Java@Keywords

Java Keywords must be in your information because you can not use them as variable name.

Java Reserved Keywords List

You can’t use keyword as identifier in your Java programs, its reserved words in Java library and used to perform an internal operation.

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	package
private	protected	public	return
short	static	strictfp	super
switch	synchronized	this	throw
throws	transient	try	void
volatile	while	true	false
null

true, false and null are not reserved words but cannot be used as identifiers, because it is literals of built-in types.

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