通过拆分在文本框中显示的结果集

         public class Time extends javax.swing.JFrame {

/** Creates new form Time */
public Time() {
    initComponents();
    generate();
}

public void generate()
{
    try
    {
    Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
    Connection con=DriverManager.getConnection("jdbc:odbc:timetable","sa","nish1990()");
    String str="select c_name from course where sem_id=1";
    Statement str1=con.createStatement();
    ResultSet res1=str1.executeQuery(str);

   // THIS THE RS PLACE 

    while(res1.next())
    {
        String s=res1.getString(1);
        JOptionPane.showMessageDialog(this,s);
    }

    }
    catch(SQLException e)
    {
        System.out.println("SQL Exception :: "+e.toString());
    }

    catch(Exception e)

    {
        System.out.println(e.toString());
    }  
}

public static void main(String args[]) {
    java.awt.EventQueue.invokeLater(new Runnable() {

        public void run() {
            new Time().setVisible(true);
        }
    });
}
// Variables declaration - do not modify
private javax.swing.JTextField jTextField6;
private javax.swing.JTextField tf1;
private javax.swing.JTextField tf2;
// End of variables declaration
   }
         public class Time extends javax.swing.