C# and Java Keyword Comparison

This course - C# and Java Keyword Comparison

last updated: 08/07/2006

There are ~76 reserved keywords in C# 2.0, and ~55 in Java 1.5.

C#	Java	C#	Java	C#	Java	C#	Java
abstract	abstract	explicit	---	object	---	this	this
---	assert	extern	native	operator	---	throw	throw
as	---	false	false	out	---	---	throws
base	super	finally	finally	override	---	---	transient
bool	boolean	fixed	---	params	---	true	true
break	break	float	float	private	private	try	try
byte	byte	for	for	protected	protected	typeof ²	---
case	case	foreach	---	public	public	uint	---
catch	catch	get²	---	readonly	---	ulong	---
char	char	goto	goto¹	ref	---	unchecked	---
checked	---	if	if	return	return	unsafe	---
class	class	implicit	---	sbyte	byte	ushort	---
const	const¹	in	---	sealed	final	using ³	import
continue	continue	int	int	set ²	---	virtual	---
decimal	---	interface	interface	short	short	void	void
default	default	internal	protected	sizeof	---	volatile	volatile
delegate	---	is	instanceof	stackalloc	---	while	while
do	do	lock	synchronized	static	static	:	extends
double	double	long	long	---	strictfp	:	implements
else	else	namespace	package	string	---
enum	enum	new	new	struct	---
event	---	null	null	switch	switch

¹ Although goto and const are Java language keywords, they are unused in the Java language.

²Although get and set are not actually reserved keywords--they are accessors. typeof is not actually a keyword--it is an operator.

³ The using keyword in C# has two completely different uses, as a directive (like Java's import) and as a statement (which defines a temporary scope).

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