Pertemuan keempat

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import javax.microedition.lcdui.Command;

import javax.microedition.lcdui.CommandListener;

import javax.microedition.lcdui.Display;

import javax.microedition.lcdui.Displayable;

import javax.microedition.lcdui.Form;

import javax.microedition.lcdui.TextField;

import javax.microedition.midlet.*;

/**

 * @author user

 */

public class Programkeempat extends MIDlet implements CommandListener{

    Display display;

   Form form;

   Form form2;

   TextField txtNama;

   TextField txtNPM;

   TextField txtKelas;

   TextField txtHobi;

   TextField txtCitacita;

   TextField txtAngkapertama;

   TextField txtAngkaKedua;

   Command cmdkeluar;

   Command cmdsimpan;

   public Programkeempat(){

       display = Display.getDisplay(this);

       form = new Form("Pengisian Data");

       form2 = new Form("");

      

       txtNama = new TextField("Nama", null, 10, TextField.ANY);

       txtNPM = new TextField("NPM", null, 25, TextField.NUMERIC);

       txtKelas = new TextField("Kelas", null, 10, TextField.ANY);

       txtHobi = new TextField("Hobi", null, 20, TextField.ANY);

       txtCitacita = new TextField("Cita-Cita", null, 30, TextField.ANY);

       txtAngkapertama = new TextField("Angkaperta", null, 25,TextField.ANY);

       txtAngkaKedua = new TextField("Angkakedua", null, 15, TextField.ANY);

       cmdkeluar = new Command("Keluar", Command.EXIT, 1);

       cmdsimpan = new Command("Simpan", Command.OK, 1);

       form.append(txtNama);

       form.append(txtNPM);

       form.append(txtKelas);

       form.append(txtHobi);

       form.append(txtCitacita);

       form.append(txtAngkapertama);

       form.append(txtAngkaKedua);

      

       form.addCommand(cmdkeluar);

       form.addCommand(cmdsimpan);

      

       form.setCommandListener(this);

       form2.setCommandListener(this);

   }

    public void startApp() {

        display.setCurrent(form);

    }

    public void pauseApp() {

    }

    public void destroyApp(boolean unconditional) {

    }

    public void commandAction(Command c, Displayable d) {

        if(c==cmdkeluar){

            destroyApp(false);

            this.notifyDestroyed();

        }

        else if(c==cmdsimpan){

            form2.append(txtNama.getString() +"\n");

            form2.append(txtNPM.getString() +"\n");

            form2.append(txtKelas.getString() +"\n");

            form2.append(txtHobi.getString() +"\n");

            form2.append(txtCitacita.getString() +"\n");

           

            int i = Integer.parseInt(txtAngkapertama.getString());

            int j = Integer.parseInt(txtAngkaKedua.getString());

            int jumlah = i + j;

            form2.append("Angka Pertama : " + i + "\n");

            form2.addCommand(cmdkeluar);

            display.setCurrent(form2);

        }

    }

}