单击插入时如何打开新框架？通过仅使用applet概念

Question

我想要我的按钮＆＃34;插入＆＃34;，点击打开新的小程序/窗口并关闭现有小程序。请尝试给我一些不使用JFrame和JButton等概念的方法。这只是前端。我将在后端使用MONGODB。

public class testd  extends Applet implements ActionListener,ItemListener
{
Button insert,update,delete,view,report,search;
TextField na,am,sts,nr;
TextArea t;
Label head;
Choice down;

Checkbox si,sr;
CheckboxGroup g;

Button submit,cancel;

public void init()
{
    setBackground(Color.white);
    setForeground(Color.black);
     this.setSize(new Dimension(500,500));
    setLayout(new FlowLayout());
    /////creating panel//////////////////
    Panel p1=new Panel(new GridLayout(3,5,7,4));
    head=new Label("        WELCOME        ");
    head.setFont(new Font("Courier",Font.BOLD,48));

    p1.add(head);

    add(head,"North");
/////////////////////creating menu///////////////////////    
    insert=new Button("INSERT");
    update=new Button("UPDATE");

    delete=new Button("DELETE");
    view=new Button("VIEW");
    report=new Button("REPORT");
    search=new Button("SEARCH");
 Font myFont = new Font("Arial", Font.ITALIC,30);
       insert.setFont(myFont);
       update.setFont(myFont);
       delete.setFont(myFont);
       view.setFont(myFont);
       report.setFont(myFont);
       search.setFont(myFont);

    down=new Choice();
    down.add("Machine Records");
    down.add("Machine Worksheet ");
    down.add("Machine Maintaince Record");
    down.add("Employee Record");
    down.add("Empoyee Worsheet");
    down.add("Raw Materail Record");
    down.add("Production Record");
    down.add("Account");
    down.setFont(myFont);



    //submit=new Button("SUBMIT");
    cancel=new Button("EXIT");

    add(insert);
    insert.addActionListener(this);
    add(update);
    add(view);
    add(search);
    add(delete);
    add(report);
    add(down);
    //add(submit);



    add(cancel);

    down.addItemListener((ItemListener) this);


}
@Override
public void actionPerformed(ActionEvent ae) {



        if(down.getSelectedItem().equals("Machine Records"))
            {
            if( ae.getSource()==insert)
               {
                  /*WHAT TO ADD HERE TO OPEN NEW APPLET/WINDOW/*
               }
            }


}