import java.sql.*;

public class TestIso {
    public static void main(String[] args) {    
        try {
            Class.forName("org.postgresql.Driver");
        } catch (ClassNotFoundException e) {
            System.out.println(e);
        }
        
        Connection con;
        try {
            con = DriverManager.getConnection(args[0]);

            System.out.println("driver version: " + con.getMetaData().getDriverVersion());
            System.out.println("db version:     " + con.getMetaData().getDatabaseProductVersion());

            System.out.println("con.getTransactionIsolation() = " +
                               con.getTransactionIsolation());
            con.close();
        } catch (SQLException e) {
            System.out.println(e);
        }
    }
}