How to use alphbet in j2me

/*
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* and open the template in the editor.
*/

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
/**
* @author test
*/
public class UserInterface extends MIDlet {
      private Display display;
      public void startApp() {
            display=Display.getDisplay(this);
            canvas can=new canvas(this);
            display.setCurrent(can);
      }

      public void pauseApp() {
      }

      public void destroyApp(boolean unconditional) {
      }
}


class canvas extends Canvas implements Runnable {
      private String text="";
      String key="";
      private int count2=0;
      private int count3=0;
      private int count4=0;
      private int count5=0;
      private int count6=0;
      private int count7=0;
      private int count8=0;
      private int count9=0;
      Font font;
      Thread t;
      public canvas(UserInterface midlet) {
            setFullScreenMode(true);
      }
      public void paint(Graphics g) {
            g.setColor(0, 0, 0);
            g.fillRect(0, 0, getWidth(), getHeight());
            g.setColor(255, 255, 255);
            g.fillRect(20, 40, 100, 20);
            g.setColor(255, 0, 0);
            g.setFont(Font.getFont(Font.FACE_PROPORTIONAL,Font.STYLE_BOLD, Font.SIZE_SMALL));
            g.drawString(text, 25, 45, Graphics.LEFT | Graphics.TOP);
      }
      public void keyPressed(int keyCode) {
            key=getKeyName(keyCode);
            if(getKeyName(keyCode).equals("1")) {
                  text+=".";
            }
            if (getKeyName(keyCode).equals("2")) {
                  count2++;
                  if (count2==1) {
                        t = new Thread(this);
                        t.start();
                        text += "a";
                        repaint();
                  } else if (count2 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"b";
                        repaint();
                  } else if (count2 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"c";
                        repaint();
                  }
            }
            if (getKeyName(keyCode).equals("3")) {
                  count3++;
                  if (count3==1) {
                        t = new Thread(this);
                        t.start();
                        text += "d";
                        repaint();
                  } else if (count3 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"e";
                        repaint();
                  } else if (count3 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"f";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("4")) {
                  count4++;
                  if (count4==1) {
                        t = new Thread(this);
                        t.start();
                        text += "g";
                        repaint();
                  } else if (count4 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"h";
                        repaint();
                  } else if (count4 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"i";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("5")) {
                  count5++;
                  if (count5==1) {
                        t = new Thread(this);
                        t.start();
                        text += "j";
                        repaint();
                  } else if (count5 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"k";
                        repaint();
                  } else if (count5 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"l";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("6")) {
                  count6++;
                        t = new Thread(this);
                        t.start();
                        text += "m";
                        repaint();
                  } else if (count6 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"n";
                        repaint();
                  } else if (count6 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"o";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("7")) {
                  count7++;
                  if (count7==1) {
                        t = new Thread(this);
                        t.start();
                        text += "p";
                        repaint();
                  } else if (count7 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"q";
                        repaint();
                  } else if (count7 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"r";
                        repaint();
                  } else if (count7 == 4 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"s";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("8")) {
                  count8++;
                  if (count8==1) {
                        t = new Thread(this);
                        t.start();
                        text += "t";
                        repaint();
                  } else if (count8 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"u";
                        repaint();
                  } else if (count8 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"v";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("9")) {
                  count9++;
                  if (count9==1) {
                        t = new Thread(this);
                        t.start();
                        text += "w";
                        repaint();
                  } else if (count9 == 2 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"x";
                        repaint();
                  } else if (count9 == 3 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"y";
                        repaint();
                  } else if (count9 == 4 && t.isAlive()==true) {
                        text=text.substring(0,text.length()-1)+"z";
                        repaint();
                  }
            }
            if(getKeyName(keyCode).equals("0")) {
                  text+=" ";
                  repaint();
            }
            if(getKeyName(keyCode).equals("POUND")) {
            }
            if(getKeyName(keyCode).equals("ASTERISK")) {
            }
            if(getKeyName(keyCode).equals("SOFT1")) {
            }
            if(getKeyName(keyCode).equals("SOFT2")) {
            }
            if(getKeyName(keyCode).equals("SEND")) {
            }
            if(getKeyName(keyCode).equals("END")) {
            }
            if(getKeyName(keyCode).equals("LEFT")) {
            }
            if(getKeyName(keyCode).equals("RIGHT")) {
            }
            if(getKeyName(keyCode).equals("SELECT")) {
            }
            if(getKeyName(keyCode).equals("CLEAR")) {
                  text=text.substring(0,text.length()-1);
                  repaint();
            }
      }
      public void run() {
            if(key.equals("2")) {
                  try {
                        Thread.sleep(1600);
                        count2=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("3")) {
                  try {
                        Thread.sleep(1600);
                        count3=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("4")) {
                  try {
                        Thread.sleep(1600);
                        count4=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("5")) {
                  try {
                        Thread.sleep(1600);
                        count5=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("6")) {
                  try {
                        Thread.sleep(1600);
                        count6=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("7")) {
                  try {
                        Thread.sleep(1600);
                        count7=0;
                  }
                  catch(Exception e) {
            }
            if(key.equals("8")) {
                  try {
                        Thread.sleep(1600);
                        count8=0;
                  }
                  catch(Exception e) {
                  }
            }
            if(key.equals("9")) {
                  try {
                        Thread.sleep(1600);
                        count9=0;
                  }
                  catch(Exception e) {
                  }
            }
      }
}