The corresponding values types of SQL 2008, JDBC and Java

SQL Server	JDBC	Java Language
bigint	BIGINT	long
timestamp binary	BINARY	byte[]
bit	BIT	boolean
char	CHAR	String
decimal money smallmoney	DECIMAL	Java.math.BigDecimal
float	BOUBLE	double
int	INTEGER	int
image varbinary(max)	LONGVARBINARY	byte[]
varchar(max) text	LONGVARCHAR	String
nchar	CHAR NCHAR(Java SE 6.0)	String
nvarchar(max) ntext	LONGVARCHAR LONGNVARCHAR(Java SE 6.0)	String
numeric	NUMERIC	Java.math.BigDecimal
real	REAL	float
smallint	SMALLINT	short
datetime smalldatetime	TIMESTAMP	Java.sql.Timestamp
varbinary udt	VARBINARY	byte[]
varchar	VARCHAR	String
tinyint	TINYINT	short
uniqueidentifier	CHAR	String
xml	LONGVARCHAR SQLXNL(Java SE 6.0)	String SQLXML

Reference http://msdn.microsoft.com/en-us/library/ms378878%28v=SQL.100%29.aspx