swing - Multiple screen java applet has buttons that don't work -

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i'm making program has 2 screens, title , game screen. if user clicks "play", can proceed next screen. however, on next screen if user tries press button "keep going", nothing happens. want know why , if can fix it. thanks, , here code:

import java.applet.*; import java.awt.*; import javax.swing.*; import java.awt.event.*;  public class zombiedice extends applet implements actionlistener { panel p_card; panel card1, card2; cardlayout cdlayout = new cardlayout ();  int shotguns = 0; int brains = 0; int p1b = 0; int p2b = 0;  jlabel pic1; jlabel pic2; jlabel pic3;  public void init () {     p_card = new panel ();     p_card.setlayout (cdlayout);     screen1 ();     screen2 ();     resize (600, 500);     setlayout (new borderlayout ());     add ("center", p_card); }   public void screen1 () {     card1 = new panel ();     jlabel logo = new jlabel (createimageicon ("logo.jpg"));      jbutton play = new jbutton (createimageicon ("play.jpg"));     play.setactioncommand ("2");     play.addactionlistener (this);      jbutton quit = new jbutton (createimageicon ("quit.jpg"));     quit.setactioncommand ("quit");     quit.addactionlistener (this);      card1.add (logo);     card1.add (play);     card1.add (quit);     setbackground (color.red);      p_card.add ("1", card1); }   public void screen2 () {     card2 = new panel ();     jlabel player = new jlabel ("player 1             ");     player.setfont (new font ("vinque", font.bold, 20));      jlabel shotgun = new jlabel ("shotguns: " + shotguns + "          ");     shotgun.setfont (new font ("vinque", font.bold, 14));     jlabel brain = new jlabel ("braaainss: " + brains);     brain.setfont (new font ("vinque", font.bold, 14));      jlabel p1brains = new jlabel ("player 1 ate: " + p1b + " braaiinnss            ");     p1brains.setfont (new font ("vinque", font.bold, 16));      jlabel p2brains = new jlabel ("player 2 ate: " + p2b + " braaiinnss");     p2brains.setfont (new font ("vinque", font.bold, 16));      pic1 = new jlabel (createimageicon ("zombie.jpg"));     pic2 = new jlabel (createimageicon ("zombie.jpg"));     pic3 = new jlabel (createimageicon ("zombie.jpg"));      jbutton keepgoing = new jbutton (createimageicon ("keepgoing.jpg"));     keepgoing.addactionlistener (this);     keepgoing.setactioncommand ("kg");      jbutton stopscore = new jbutton (createimageicon ("stopandscore.jpg"));     keepgoing.addactionlistener (this);     keepgoing.setactioncommand ("ss");      jbutton nextplayer = new jbutton (createimageicon ("nextplayer.jpg"));     nextplayer.addactionlistener (this);     nextplayer.setactioncommand ("np");      card2.add (player);     card2.add (shotgun);     card2.add (brain);     card2.add (p1brains);     card2.add (p2brains);     card2.add (pic1);     card2.add (pic2);     card2.add (pic3);     card2.add (keepgoing);     card2.add (stopscore);     card2.add (nextplayer);      p_card.add ("2", card2); }   public void actionperformed (actionevent e) {     if (e.getactioncommand ().equals ("2"))         cdlayout.show (p_card, "2");      if (e.getactioncommand ().equals ("kg"))     {         int n = (int) ((math.random () * 9) + 1);         {             if (n == 1)                 pic1.seticon (createimageicon ("greenbrain.jpg"));             else if (n == 2)                 pic1.seticon (createimageicon ("greenfootprints.jpg"));             else if (n == 3)                 pic1.seticon (createimageicon ("greenshotgun.jpg"));             else if (n == 4)                 pic1.seticon (createimageicon ("redbrain.jpg"));             else if (n == 5)                 pic1.seticon (createimageicon ("redfootprints.jpg"));             else if (n == 6)                 pic1.seticon (createimageicon ("redshotgun.jpg"));             else if (n == 7)                 pic1.seticon (createimageicon ("yellowbrain.jpg"));             else if (n == 8)                 pic1.seticon (createimageicon ("yellowfootprints.jpg"));             else                 pic1.seticon (createimageicon ("yellowshotgun.jpg"));         }         int n2 = (int) ((math.random () * 9) + 1);         {             if (n2 == 1)                 pic2.seticon (createimageicon ("greenbrain.jpg"));             else if (n2 == 2)                 pic2.seticon (createimageicon ("greenfootprints.jpg"));             else if (n2 == 3)                 pic2.seticon (createimageicon ("greenshotgun.jpg"));             else if (n2 == 4)                 pic2.seticon (createimageicon ("redbrain.jpg"));             else if (n2 == 5)                 pic2.seticon (createimageicon ("redfootprints.jpg"));             else if (n2 == 6)                 pic2.seticon (createimageicon ("redshotgun.jpg"));             else if (n2 == 7)                 pic2.seticon (createimageicon ("yellowbrain.jpg"));             else if (n2 == 8)                 pic2.seticon (createimageicon ("yellowfootprints.jpg"));             else                 pic2.seticon (createimageicon ("yellowshotgun.jpg"));         }         int n3 = (int) ((math.random () * 9) + 1);         if (n3 == 1)             pic3.seticon (createimageicon ("greenbrain.jpg"));         else if (n3 == 2)             pic3.seticon (createimageicon ("greenfootprints.jpg"));         else if (n3 == 3)             pic3.seticon (createimageicon ("greenshotgun.jpg"));         else if (n3 == 4)             pic3.seticon (createimageicon ("redbrain.jpg"));         else if (n3 == 5)             pic3.seticon (createimageicon ("redfootprints.jpg"));         else if (n3 == 6)             pic3.seticon (createimageicon ("redshotgun.jpg"));         else if (n3 == 7)             pic3.seticon (createimageicon ("yellowbrain.jpg"));         else if (n3 == 8)             pic3.seticon (createimageicon ("yellowfootprints.jpg"));         else             pic3.seticon (createimageicon ("yellowshotgun.jpg"));     } }   protected static imageicon createimageicon (string path) {     java.net.url imgurl = zombiedice.class.getresource (path);     if (imgurl != null)     {         return new imageicon (imgurl);     }     else     {         system.err.println ("couldn't find file: " + path);         return null;     } } }

maybe should have closer @ these 2 blocks...

jbutton keepgoing = new jbutton("kg", createimageicon("keepgoing.jpg")); keepgoing.addactionlistener(this); keepgoing.setactioncommand("kg");   jbutton stopscore = new jbutton("ss", createimageicon("stopandscore.jpg")); keepgoing.addactionlistener(this); keepgoing.setactioncommand("ss");

see funny?


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