J2ME application not working on n79

Hi, i had developed assignment on sun sdk and its running fine on emulator but not showing results in two text fields on my mobile phone i.e.nokia -n79.please Help

public class MoneyL extends MIDlet
  implements CommandListener
{
  private static final Command CMD_EXIT = new Command("Exit", 7, 1);
  private boolean firstTime = true;
  private Date today=new Date();;
  private Date td1;
  public long l;
  public long l1;
  public long l2;
  public long temp1;
  public long temp2;
  public Integer temp3,ref1,y;
  public float flt;
  float flt1;
  int reso;
  public double amount;
  public double intrate,interest,amt;
  public double ref;
  public double dd2,yy2,dm2,dd1,yy1,dm1,d1,d2,tempo1,result;
  public double total = 0.0D;
  String str,mm1,mm2;
 public char[] temp = new char[10];
 public char[] temp11 = new char[10];
 public char[] temp12 = new char[10];
 public char[] temp13 = new char[10];
 public char[] temp14 = new char[10];
 public char[] temp15 = new char[10];
 public char test;
  String str1,str5,str6,str7,str8,str9,str10,str11,str12,str13,str14,str15,str16,str17,str18,str19,str20,str21,str22,str23;
  Calendar rightNow = Calendar.getInstance();
  private final Command exitCmd = new Command("Exit", 7, 1);
  private final Command calcCmd = new Command("Calc", 1, 2);
  private final DateField dt1 = new DateField("Start Date", 1);
  private final TextField t1 = new TextField("Amount", "", 7, 2);
  private final TextField t2 = new TextField("Interest Rate", "", 4, 5);
  private final DateField dt2 = new DateField("End Date", 1);
  private final TextField tr1 = new TextField("Interest", "", 100, 131072);
  private final TextField tr2 = new TextField("Total", "", 100, 131072);
  private final Alert alert = new Alert("Error", "", null, AlertType.ERROR);
  private Ticker t;
  private static final String TICKER_TEXT = "Tirupati Money Lending Application Developed By Lalit N. Jadiya...";
  private Form mainForm = new Form("Tirupati Jewellers");

  protected void startApp()
  {
    if (this.firstTime)
    {
      this.mainForm.append(this.dt1);
      this.today = new Date(System.currentTimeMillis());
      this.dt2.setDate(this.today);
      this.mainForm.append(this.t1);
      this.mainForm.append(this.t2);
      this.mainForm.append(this.tr1);
      this.mainForm.append(this.tr2);
      this.mainForm.addCommand(this.calcCmd);
      this.mainForm.addCommand(this.exitCmd);
      this.t = new Ticker("Tirupati Money Lending Application Developed By Lalit N. Jadiya...");
      this.mainForm.setTicker(this.t);
      this.alert.addCommand(new Command("Back", 1, 1));
      this.mainForm.setCommandListener(this);
      this.firstTime = false;
    }
    Display.getDisplay(this).setCurrent(this.mainForm);
  }

  protected void destroyApp(boolean paramBoolean)
  {
  }

  protected void pauseApp()
  {
  }

  public void commandAction(Command paramCommand, Displayable paramDisplayable)
  {
    if (paramCommand == this.exitCmd)
    {
      destroyApp(false);
      notifyDestroyed();
      return;
    }
    double d1 = 0.0D;
    try
    {
     str5=today.toString();
      str5.getChars(8,10,temp,0);
      str6=new String(temp);
      dd2=Double.parseDouble(str6);


      str5=today.toString();
      str5.getChars(24,28,temp15,0);
      str7=new String(temp15);
      yy2=Double.parseDouble(str7);

      str5=today.toString();
      str5.getChars(4,7,temp11,0);

      str9=new String(temp11);

      str9=str9.substring(0,3);

      if(str9.equals("Jan"))
        {mm2="1";}
      if(str9.equals("Feb"))
        {mm2="2";}
      if(str9.equals("Mar"))
        {mm2="3";}
      if(str9.equals("Apr"))
        {mm2="4";}      
      if(str9.equals("May"))
        {mm2="5";}
      if(str9.equals("Jun"))
        {mm2="6";}     
      if(str9.equals("Jul"))
        {mm2="7";}
      if(str9.equals("Aug"))
        {mm2="8";}
      if(str9.equals("Sep"))
        {mm2="9";}
      if(str9.equals("Oct"))
        {mm2="10";}
      if(str9.equals("Nov"))
        {mm2="11";}
      if(str9.equals("Dec"))
        {mm2="12";}

dm2=Double.parseDouble(mm2);




      str5="";
      str6="";
     str7="";
str10="";
      this.td1 = this.dt1.getDate();
      str5=td1.toString();
      str5.getChars(8,10,temp13,0);
      str6=new String(temp13);
      dd1=Double.parseDouble(str6);



      str5=td1.toString();
      str5.getChars(24,28,temp14,0);
      str7=new String(temp14);
      yy1=Double.parseDouble(str7);


      str5=td1.toString();
      str5.getChars(4,7,temp12,0);

      str10=new String(temp12);

      str10=str10.substring(0,3);

      if(str10.equals("Jan"))
        {mm1="1";}
      if(str10.equals("Feb"))
        {mm1="2";}
      if(str10.equals("Mar"))
        {mm1="3";}
      if(str10.equals("Apr"))
        {mm1="4";}      
      if(str10.equals("May"))
        {mm1="5";}
      if(str10.equals("Jun"))
        {mm1="6";}     
      if(str10.equals("Jul"))
        {mm1="7";}
      if(str10.equals("Aug"))
        {mm1="8";}
      if(str10.equals("Sep"))
        {mm1="9";}
      if(str10.equals("Oct"))
        {mm1="10";}
      if(str10.equals("Nov"))
        {mm1="11";}
      if(str10.equals("Dec"))
        {mm1="12";}

dm1=Double.parseDouble(mm1);

intrate=0.0;
amount=0.0;
interest=0.0;
amt=0.0;
ref=0.0;
d2=0.0;d1=0.0;result=0.0;
tempo1=0.0;
str8="";
      this.intrate = getNumber(this.t2, "Interest Rate");      
      this.amount = getNumber(this.t1, "Amount");




interest=intrate;
amt=amount;
interest=interest/30/100;
ref=yy2;
d2=(dm2-1)*30;
d2=(d2+dd2+(yy2-ref)*360);
str8=Double.toString(d2);
d1=(dm1-1)*30;
d1=(d1+dd1+(yy1-ref)*360);
tempo1=(d2-d1);
if(tempo1<30) 
  { tempo1=30;}
result=interest*amt*tempo1;
reso=(int)result;
str8=Integer.toString(reso);
result=result+amt;
reso=(int)result;
str10=Integer.toString(reso);
str12=Double.toString(yy2);
tr1.setString(str8);
tr2.setString(str10);

    }
    catch (NumberFormatException localNumberFormatException)
    {
      return;
    }
    catch (ArithmeticException localArithmeticException)
    {
      this.alert.setString("Divide by zero.");
      Display.getDisplay(this).setCurrent(this.alert);
      return;
    }
  }


  private double getNumber(TextField paramTextField, String paramString)
    throws NumberFormatException
  {
    String str2 = paramTextField.getString();
    if (str2.length() == 0)
    {
      this.alert.setString(" Please Enter:" + paramString);
      Display.getDisplay(this).setCurrent(this.alert);
      throw new NumberFormatException();
    }
    double d;
    try
    {
      d = Double.parseDouble(str2);
    }
    catch (NumberFormatException localNumberFormatException)
    {
      this.alert.setString(paramString + " argument is out of range.");
      Display.getDisplay(this).setCurrent(this.alert);
      throw localNumberFormatException;
    }
    return d;
  }
}