C# and Java Keyword Comparison

CIS 573 - VB.NET, C# and Java Keyword Comparison

last updated: 08/07/2006

There are ~145 reserved keywords in VB.NET, ~83 in C#, and 55 in Java 1.5. See also C#/Java 1.5 keywords. Here's MSDN's keyword comparison.

VB	C#	Java	VB	C#	Java	VB	C#	Java
---	abstract	abstract	False	false	false	ByRef	ref	---
---	---	assert	Finally	finally	finally	REM	---	---
AddHandler	+=	---	---	fixed	---	RemoveHandler	-=	---
AddressOf	---	---	---	float	float	Resume	---	---
Alias	---	---	For	for	for	Return	return	return
And	---	---	For Each	foreach	---	---	sbyte	byte
AndAlso	---	---	Friend	---	---	Select	---	---
Ansi	---	--	Function	---	---	---	sealed	final
---	as	---	Get	get	---	Set	set	---
As	---	---	GetType	---	---	Shadows	---	---
Assembly	---	---	GoSub¹	---	---	Shared	---	---
Auto	--	---	GoTo	goto	goto¹	Short	short	short
MyBase	base	super	Handles	---	---	Single	---	---
Boolean	bool	boolean	If	if	if	---	sizeof	---
---	break	break	---	implicit	---	---	stackalloc	---
Byte	byte	byte	In	in	---	Static	static	static
ByVal	---	---	Integer	int	int	---	---	strictfp
Call	---	---	Interface	interface	interface	Step	---	---
Case	case	case	---	internal	protected	Stop	---	---
Catch	catch	catch	Is	is	instanceof	String	string	---
CBool	---	---	Let¹	---	---	Structure	struct	---
CByte	---	---	Lib	---	---	Sub	---	---
CChar	---	---	Like	---	---	---	switch	switch
CDate	---	---	SyncLock	lock	synchronized	Then	---	---
CDec	---	---	Long	long	long	Me	this	this
CDbl	---	---	Loop	---	---	Throw	throw	throw
Char	char	char	Loop { While \| Until }	---	---	---	---	throws
CInt	---	---	Mod	---	---	---	---	transient
---	checked	---	Module	---	---	To	---	---
Class	class	class	MustInherit	---	---	True	true	true
CLng	---	---	MustOverride	---	---	Try	try	try
CObj	---	---	MyClass	---	---	TypeOf	typeof	---
Const	const	const¹	NameSpace	namespace	package	---	uint	---
---	continue	continue	New	new	new	---	ulong	---
CShort	---	---	Next	---	---	---	unchecked	---
CSng	---	---	Not	---	---	---	unsafe	---
CStr	---	---	Nothing	null	null	---	ushort	---
CType	---	---	NotInheritable	---	---	Imports	using	import
Date	---	---	NotOverridable	---	---	Unicode	---	---
Decimal	decimal	---	Object	object	---	Until	---	---
Declare { Ansi \| Unicode \| Auto }			On	---	---	---	value	---
Default	default	default	---	operator	---	---	virtual	---
Delegate	delegate	---	Option	---	---	Variant¹	---	---
Dim	---	---	Optional	---	---	---	void	void
DirectCast	---	---	Or	---	---	---	volatile	volatile
Do	do	do	OrElse	---	---	When	---	---
Do { While \| Until }	---	---	---	out	---	While	while	while
Double	double	double	Overloads	---	---	With	(using)	---
Each	---	---	Overridable	---	---	WithEvents	---	---
Else	else	else	Overrides	override	---	WriteOnly	---	---
ElseIf	---	---	ParamArray	---	---	Xor	---	---
End	---	---	---	params	---	Inherits	:	extends
End { If \| Function \| Sub \| Try \| While \| Get \| Set \| Property }	---	---	Preserve	---	---	Implements	:	implements
Enum	enum	enum	Private	private	private	#Const	---	---
Erase	---	---	Property	---	---	#ExternalSource	---	---
Error	---	---	Protected	protected	protected	#If, #Else, #ElseIf, #End If	---	---
Event	event	---	Public	public	public	#Region	---	---
Exit { Do \| For \| Function \| Property \| Select \| Sub \| Try \| While }	---	---	RaiseEvent	---	---	#End Region	---	---
---	explicit	---	ReadOnly	readonly	---
---	extern	native	ReDim	---	---

¹Although goto and const are Java keywords, they are unused in the Java language. Likewise, GoSub, Let and Variant are VB.NET keywords, but are unused.

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