DriverManager.getDrivers(): enumerate all the loaded JDBC drivers: : Driver « Database « Java Tutorial

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2. Database
3. Driver

import java.sql.Driver;
import java.sql.DriverManager;

public class Main {
  public static void main(String[] args) throws Exception {
    Class driverClass = Class.forName("org.hsqldb.jdbcDriver");
    DriverManager.registerDriver((Driver) driverClass.newInstance());

    // Print out all loaded JDBC drivers.
    java.util.Enumeration e = java.sql.DriverManager.getDrivers();
    while (e.hasMoreElements()) {
      Object driverAsObject = e.nextElement();
      System.out.println("JDBC Driver=" + driverAsObject);
    }

  }
}

JDBC Driver=org.hsqldb.jdbcDriver@19efb05
JDBC Driver=org.hsqldb.jdbcDriver@723d7c