derby3.java

public void shutdown() {
	try {
		connection.close();
		DriverManager.getConnection(PROTOCOL + ";shutdown=true");

	} catch (SQLException se) {
		// an exception is thrown even if the database is closed correctly, 
		// so we have to check the current state to see if something failed
		if (!"XJ015".equals(se.getSQLState())) 
			se.printStacktrace();
	}
}