Get database maximum table name length in Java

import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
/*from w  ww .  j  a v a2  s . c  om*/
public class Main {
  public static void main(String[] args) throws Exception {
    Connection connection = getConnection();
    DatabaseMetaData metadata = connection.getMetaData();

    int maxLength = metadata.getMaxTableNameLength();
    System.out.println("Max Table Name Length = " + maxLength);
    connection.close();
  }

  private static Connection getConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    String url = "jdbc:hsqldb:mem:data/tutorial";

    return DriverManager.getConnection(url, "sa", "");
  }
}