import java.sql.Connection;
import java.sql.DriverManager;

public class PgTest {


public static void main(String[] args) {
        
    try {
        Class.forName("org.postgresql.Driver").newInstance();             
        Connection con = DriverManager.getConnection(
            "jdbc:postgresql:mb?user=mb"); 

        //con.close();

    }
    catch (Exception e) {
	e.printStackTrace();
    }
}

}