java - Issue typing in a JtextField in full Screen Exclusive mode -

i want fullcreen window can type login , password , login , pass textfields. when run code in eclipse, login textfield , pass textfield unable type in. code:

import java.awt.*;  import java.awt.event.*; import javax.swing.*;  import javax.swing.event.*;   public class mostrarbloqueio extends jframe implements actionlistener {      private static graphicsdevice graphicsdevice1;     private displaymode mindisplaymode;      private jbutton loginbutton = new jbutton( "login");      private jtextfield txtlogin;     private jpasswordfield passwordfield;      public static void main(string[] args)     { //get , display list of graphics devices solely // information purposes.          graphicsenvironment graphicsenvironment =  graphicsenvironment.getlocalgraphicsenvironment();         graphicsdevice[] devices = graphicsenvironment.getscreendevices();          for(int cnt = 0;cnt < 1;cnt++)         {             system.out.println(devices[cnt]);           }//end loop     //construct full-screen object //         new mostrarbloqueio(devices[0]);     }//end main    //constructor      public mostrarbloqueio(graphicsdevice graphicsdevice)     {          //save reference graphics device // instance variable can used later // exit full-screen mode.            this.graphicsdevice1 = graphicsdevice;          settitle("this title hidden (undecorated)"); //get , save reference original display // mode instance variable can // restored later.           mindisplaymode = graphicsdevice.getdisplaymode();          loginbutton.setbounds(633, 518, 103, 23);              //register action listener on loginbutton.           loginbutton.addactionlistener(this);           getcontentpane().setlayout(null);          passwordfield = new jpasswordfield();         passwordfield.setbounds(633, 475, 142, 20);         getcontentpane().add(passwordfield);         passwordfield.setcolumns(10);              //place loginbutton in jframe         getcontentpane().add(loginbutton);         getcontentpane().setbackground(getbackground());          jlabel lblnewlabel = new jlabel("senha:");         lblnewlabel.setbounds(578, 478, 45, 14);         getcontentpane().add(lblnewlabel);          jlabel lbllogin = new jlabel("login:");         lbllogin.setbounds(578, 456, 45, 14);         getcontentpane().add(lbllogin);          txtlogin = new jtextfield();         txtlogin.setbounds(633, 453, 142, 20);         getcontentpane().add(txtlogin);         txtlogin.setcolumns(10);                  if (graphicsdevice.isfullscreensupported())         {              // enter full-screen mode witn undecorated, // non-resizable jframe object.               setundecorated(true);              setresizable(false);               setalwaysontop(true);             setdefaultcloseoperation(jframe.do_nothing_on_close);             graphicsdevice.setfullscreenwindow(this);             alttabstopper @ = new alttabstopper(this);             at.create(this);             validate();          }         else         {              system.out.println("full-screen mode not supported");         }//end else      }//end constructor       //the following method invoked when used clicks // loginbutton      public void actionperformed(actionevent evt)     {         //restore original display mode          string login = txtlogin.gettext();         system.out.println("1"+login);         graphicsdevice1.setdisplaymode(mindisplaymode);          //terminate program          system.exit(0);     } }//end class 

call txtlogin.seteditable(true) , passwordfield.seteditable(true)