GUI Notepad + Toggle Panel

 PackageCom.niit.javagui;ImportJava.awt.Color;ImportJava.awt.MenuBar;Importjava.awt.event.InputEvent;Importjava.awt.event.KeyEvent;ImportJavax.swing.JFrame;ImportJavax.swing.JMenu;ImportJavax.swing.JMenuBar;ImportJavax.swing.JMenuItem;ImportJavax.swing.JPanel;ImportJavax.swing.JTabbedPane;ImportJavax.swing.KeyStroke;/** * @author: Annie * @date: May 30, 2016 * @description:*/ Public classJtabbedpanedemoextendsjframe{ Public Static voidMain (string[] args) {NewJtabbedpanedemo ();    } JTabbedPane TabbedPane;    JPanel jp1,jp2,jp3;    JMenuBar MenuBar;    JMenu Filemenu,editmenu,formatmenu,helpmenu,checkmenu; JMenuItem Itemnew,itemopen,itemsave,itemsaveas,itemset,itemprint,itemexit, Itemautomatic,itemfont,itemastatusbar        , Itemacheckhelp,itemabout;  PublicJtabbedpanedemo () {setvisible (true); SetSize (400,400); Settitle ("tab Panel Example");        Setdefaultcloseoperation (Jframe.exit_on_close);            Instantiationobject ();        KeyWord ();        AddFunction ();        Jp1.setbackground (Color.cyan);        Jp2.setbackground (color.red);            Jp3.setbackground (Color.Blue); }        /*** Instantiation of Object Methods **/     Public voidInstantiationobject () {JP1=NewJPanel (); JP2=NewJPanel (); JP3=NewJPanel (); TabbedPane=NewJTabbedPane (Jtabbedpane.bottom); MenuBar=NewJMenuBar (); Filemenu=NewJMenu ("File (F)"); Editmenu=NewJMenu ("edit (E)"); Formatmenu=NewJMenu ("Format (o)"); Checkmenu=NewJMenu ("View (V)"); Helpmenu=NewJMenu ("Help (H)"); Itemnew=NewJMenuItem ("New File"); Itemopen=NewJMenuItem ("Open"); Itemsave=NewJMenuItem ("Save"); Itemsaveas=NewJMenuItem ("Save As"); Itemset=NewJMenuItem ("Page Setup"); Itemprint=NewJMenuItem ("Print"); Itemexit=NewJMenuItem ("Exit"); Itemautomatic=NewJMenuItem ("Auto Career"); ItemFont=NewJMenuItem ("Font"); Itemastatusbar=NewJMenuItem ("Status bar"); Itemacheckhelp=NewJMenuItem ("View Help"); Itemabout=NewJMenuItem ("About Notepad"); }        /*** Add Component Method **/     Public voidaddfunction () {Setjmenubar (MenuBar);        Menubar.add (Filemenu);        Menubar.add (Editmenu);        Menubar.add (Formatmenu);        Menubar.add (Checkmenu);                Menubar.add (Helpmenu);        Filemenu.add (itemnew);        Filemenu.add (Itemopen);        Filemenu.add (Itemsave);        Filemenu.add (Itemsaveas);        Filemenu.addseparator ();        Filemenu.add (Itemset);        Filemenu.add (Itemprint);                Filemenu.add (Itemexit);        Formatmenu.add (itemautomatic);                Formatmenu.add (ItemFont);                Checkmenu.add (Itemastatusbar);        Helpmenu.add (ITEMACHECKHELP);                Helpmenu.add (itemabout); Tabbedpane.add (Contact, JP1); Tabbedpane.add (Found, JP2); Tabbedpane.add (I, JP3);    Add (TabbedPane); }        /*** How to add keywords **/     Public voidKeyWord () {Itemnew.setaccelerator (Keystroke.getkeystroke (keyevent.vk_n,inputevent.ctrl_mask));        Itemopen.setaccelerator (Keystroke.getkeystroke (keyevent.vk_o,inputevent.ctrl_mask));        Itemsave.setaccelerator (Keystroke.getkeystroke (keyevent.vk_s,inputevent.ctrl_mask)); Itemsaveas.setaccelerator (Keystroke.getkeystroke (A)); Itemset.setaccelerator (Keystroke.getkeystroke (U));        Itemprint.setaccelerator (Keystroke.getkeystroke (keyevent.vk_p,inputevent.ctrl_mask)); Itemexit.setaccelerator (Keystroke.getkeystroke (X)); Itemautomatic.setaccelerator (Keystroke.getkeystroke (W)); Itemfont.setaccelerator (Keystroke.getkeystroke (F)); Itemastatusbar.setaccelerator (Keystroke.getkeystroke (S)); Itemacheckhelp.setaccelerator (Keystroke.getkeystroke (H)); Itemabout.setaccelerator (Keystroke.getkeystroke (A)); }}

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GUI Notepad + Toggle Panel