tugas3

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class praktek2 extends MIDlet implements CommandListener {
    private Display layar;
    private Form formUtama;
    private Image img;
    private Command cmdKeluar,cmdProses;
    //deklarasi variabel untuk form ke 2
    Form f2;
    TextField txtNama,txtAlamat,txtNilai;
    ChoiceGroup cgJurusan;
    Command cmdKembali,cmdProses1;
    //akhir deklarasi untuk form
   
    public praktek2(){
        layar=Display.getDisplay(this);
        formUtama=new Form("Halaman utama");
        cmdKeluar=new Command("keluar",Command.EXIT,0);
        cmdProses=new Command("Entry",Command.OK,1);
        try{
            img=Image.createImage("/gambar1.jpg");
        }catch(Exception e){
            System.out.println("gambar tidak ada"+e);
        }
        formUtama.addCommand(cmdKeluar);
        formUtama.addCommand(cmdProses);
        formUtama.append(img);
        formUtama.setTicker(new Ticker("IF-7"));
        formUtama.setCommandListener(this);
    }
    public void startApp() {
        layar.setCurrent(formUtama);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }
    public void commandAction(Command c, Displayable s){
        if(c==cmdKeluar){
            destroyApp(true);
            notifyDestroyed();
        }else if(c==cmdProses){
            f2=new Form("Entry Data");
            cmdKembali=new Command("kembali",Command.BACK,0);
            cmdProses1=new Command("Proses",Command.OK,1);
            f2.setTicker(new Ticker("silahkan Entry Data Anda"));
            txtNama=new TextField("Nama ","",30,TextField.ANY);
            txtAlamat=new TextField("Alamat","",50,TextField.ANY);
            txtNilai=new TextField("Nilai","",30,TextField.NUMERIC);
            cgJurusan=new ChoiceGroup("Jurusan",Choice.EXCLUSIVE);
            cgJurusan.append("Teknik Informatika",null);
            cgJurusan.append("Sistem Informasi", null);
            f2.addCommand(cmdKembali);
            f2.addCommand(cmdProses);
            f2.append(txtAlamat);
            f2.append(cgJurusan);
            f2.append(txtNilai);
            f2.setCommandListener(this);
            layar.setCurrent(f2);
           
           
        }
        }
}

tugas2

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;


public class Praktek4 extends MIDlet implements CommandListener{
    private Display layar;
    private Command cmdKeluar,cmdProses;
    private Image img;
    private ImageItem ii;
    private Command cmdmasuk;
    private Form formUtama;
   
    //deklarasi variable untuk form ke 2
    Form f2;
    TextField nama,psswd;
    Command CmdKembali,cmdProses1;
    private Command cmdKembali;
   
    //Form 3
    Form f3;
    TextField a,b;
    ChoiceGroup cgop;
    Command cmdKembali2,cmdProses2;
    private StringItem hasil;
   
   
    public Praktek4(){
        layar=Display.getDisplay(this);
        formUtama=new Form("FORM UTAMA");
        cmdKeluar=new Command("Keluar", Command.EXIT,0);
        cmdProses=new Command("Masuk", Command.OK,1);
        try{
            img=Image.createImage("/alam.jpeg");
        }catch(Exception e){
            System.out.println("Gambar tidak ada" +e);
        }
        ii=new ImageItem(" ",img , Item.LAYOUT_CENTER, "Gambar Saya");
        formUtama.addCommand(cmdKeluar);
        formUtama.addCommand(cmdProses);
        formUtama.append(ii);
        formUtama.setTicker(new Ticker("Welcome to nofriadi"));
        formUtama.setCommandListener(this);
   
    }
    public void startApp() {
        layar.setCurrent(formUtama);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }

    public void commandAction(Command c, Displayable s) {
         if(c==cmdKeluar){
            destroyApp(true);
            notifyDestroyed();
         }else if(c==cmdProses){
            f2=new Form("LOGIN");
            CmdKembali=new Command("Back",Command.BACK,0);
            cmdProses1=new Command("Login",Command.OK,1);
            nama =new TextField("User Name","", 20,TextField.ANY);
            psswd=new TextField("Password","", 20, TextField.ANY);
            f2.addCommand(CmdKembali);
            f2.addCommand(cmdProses1);
            f2.append(nama);
            f2.append(psswd);
            f2.setCommandListener(this);
            layar.setCurrent(f2);
         }else if (s==f2){
            if(c==CmdKembali){
            layar.setCurrent(formUtama);
             }
          else if(c==cmdProses1){
            f3=new Form("HITUNG");
            a=new TextField("Nilai A","", 20, TextField.ANY);
            b=new TextField("Nilai B","", 20, TextField.ANY);
            cgop=new ChoiceGroup("Operator", Choice.IMPLICIT);
            cgop.append("X", null);
            cgop.append("/", null);
            cgop.append("+", null);
            cgop.append("-", null);
            f3.addCommand(cmdKembali2);
            f3.addCommand(cmdProses2);
            f3.append(a);
            f3.append(b);
            f3.append(cgop);
            f3.setCommandListener(this);
            layar.setCurrent(f3);
            }
           
           
        
        
    }
}
}

tugas1

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
    public class kuis extends MIDlet implements CommandListener {
    Display layar;
    Alert pesan ;
    Command keluar;
    Command cc,sp,ft,tb,kl,bb,bk;
    public kuis() {
        cc=new Command ("Coca Cola",Command.OK,0);
        sp=new Command ("sprite",Command.OK,0);
        ft=new Command ("Fanta",Command.OK,0);
        tb=new Command ("Teh Botol",Command.OK,0);
        kl=new Command ("kaleng",Command.OK,0);
         bb=new Command ("botol besar",Command.OK,0);
          bk=new Command ("botol kecil",Command.OK,0);
       
        keluar =new Command("k-e-l-u-a-r",Command.EXIT,0);
        pesan=new Alert("NOBP:09101152630299/Khairul Amri",
                "informasi harga\n" +
                "Minuman\n" +
                "SoftDrink",null,AlertType.INFO);
        pesan.addCommand (keluar);
        pesan.addCommand(cc);
        pesan.addCommand(sp);
        pesan.addCommand(ft);
        pesan.addCommand(tb);
        pesan.setTimeout(Alert. FOREVER);
        pesan.setCommandListener(this); 
      }
    public void startApp() {
        layar=Display.getDisplay(this);
        layar.setCurrent(pesan);
    }
    public void pauseApp() {
    }
    public void destroyApp(boolean unconditional) {
    }
    public void commandAction (Command anu, Displayable arg1){
        if (anu==keluar ){
            destroyApp(true);
            notifyDestroyed();
        }
    if (anu==cc){
        pesan=new Alert ("Informasi Harga coco cola",
                "Minuman ini cocok\n" +
                "Diminum Saat Dingin\n" +
                "Dan cuaca Panas ",null,AlertType.WARNING);
        pesan.setCommandListener(this);
        pesan.addCommand(keluar);
       
       
           pesan.addCommand(keluar);
        pesan.addCommand(kl);
        pesan.addCommand(bb);
        pesan.addCommand(bk);
        pesan.setTimeout(Alert. FOREVER);
        pesan.setCommandListener(this);
        layar.setCurrent(pesan);
    }
       
        if (anu==kl){
        pesan=new Alert ("Informasi Harga coco cola",
                "kemasan :kaleng\n" +
                "isi:5ml\n" +
                "harga:rp5000 ",null,AlertType.WARNING); 
         pesan.setCommandListener(this);
        pesan.addCommand(keluar);
        pesan.setTimeout(Alert.FOREVER);
        layar.setCurrent(pesan); 
       
   
    }
    }
    }