DatabaseMetaData.getMaxCatalogNameLength() has the following syntax.
int getMaxCatalogNameLength() throws SQLException
In the following code shows how to use DatabaseMetaData.getMaxCatalogNameLength() method.
/* w w w .j ava 2s .c o m*/ import java.sql.Connection; import java.sql.DatabaseMetaData; import java.sql.DriverManager; public class Main { public static void main(String[] args) throws Exception { Connection conn = getHSQLConnection(); DatabaseMetaData md = conn.getMetaData(); System.out.println(md.getMaxCatalogNameLength()); conn.close(); } private static Connection getHSQLConnection() throws Exception { Class.forName("org.hsqldb.jdbcDriver"); String url = "jdbc:hsqldb:data/tutorial"; return DriverManager.getConnection(url, "sa", ""); } }