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

public class Connect
{
    public static void main(String[] args)
    {
        try
        {
            Class.forName("org.postgresql.Driver");
            Connection con = DriverManager.getConnection("jdbc::postgresql://localhost:5432/postgres", "postgres", "ankara");
            if(con != null)
                System.out.println("Connected");

            Statement st = con.createStatement();
            String sql;
        }
        catch(Exception ee)
        {
            ee.printStackTrace();
        }
    }
}