Using JDBC, I create a row in MYSQL table using this code:

Insert:
Connection conn = getConnection();
Statement s = conn.createStatement();

String uuid = UUID.randomUUID().toString();
uuid = uuid.replace("-", "");
uuid = "0x"+ uuid;
s.executeUpdate("INSERT INTO table1 SET idtable1="+uuid+", name='x'");
s.close();

fetch:
Connection conn = getConnection();
Statement s = conn.createStatement();
ResultSet rs = s.executeQuery(
"SELECT hex(idtable1), name FROM table1 where hex(idtable1)='C283E11848BD4F888FFF31BA4E3307EF'");
int i=0;
while(rs.next())
{
System.out.println ("FETCHED UUID IS " + rs.getString(1) + " FETCHED NAME IS " + rs.getString(2));
i++;
}

s.close();

Using Hibernate,
When I create hbm mapping file, VARBINARY converts to byte[] and not to String.
How can I map the same to String rather than byte[]? I am not able to proceed with the code.

In one word, how to achieve the above functionality in hibernate code?

java.util.UUID.nameUUIDFromBytes(byte[]).toString() should work just fine.