<dependency>

<groupId>org.hsqldb</groupId>

<artifactId>hsqldb</artifactId>

<version>2.3.2</version>

</dependency>

 

try {

Class.forName("org.hsqldb.jdbcDriver" );

} catch (Exception e) {

System.out.println("ERROR: failed to load HSQLDB JDBC driver.");

e.printStackTrace();

return;

}

Connection c = DriverManager.getConnection("jdbc:hsqldb:mem:dbname", "sa", ""); 

或

 Class.forName("org.hsqldb.jdbcDriver").newInstance();