Universitas Sumatera Utara A-1 LISTING PROGRAM. Menu Enkripsi. package com.example.program;

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1 A-1 LISTING PROGRAM Menu Enkripsi package com.example.program; import java.io.file; import java.io.fileinputstream; import java.io.filenotfoundexception; import java.io.fileoutputstream; import java.io.ioexception; import java.io.outputstreamwriter; import java.text.simpledateformat; import java.util.arraylist; import java.util.date; import java.util.random; import android.app.activity; import android.app.alertdialog; import android.content.activitynotfoundexception; import android.content.dialoginterface; import android.content.intent; import android.database.cursor; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.graphics.color; import android.graphics.bitmap.config; import android.graphics.drawable.bitmapdrawable; import android.net.uri; import android.os.bundle; import android.os.environment; import android.provider.mediastore; import android.util.log; import android.view.menu; import android.view.menuitem; import android.view.view; import android.widget.button; import android.widget.edittext; import android.widget.imageview; import android.widget.toast; public class Enkripsi extends Activity public int SELECT_PICTURE = 1; public String selectedimagepath; EditText nama, ukuran, kunci; ImageView img, imgxor, imgtranspos; Bitmap bmp; Button btn_pilih, btn_acak, btn_xor, btn_transpos, btn_reset, btn_save, btn_tampil; Integer x,y; ArrayList<Integer> kunci1 ; ArrayList<Integer> nilai_r = new ArrayList<Integer>(); ArrayList<Integer> nilai_g = new ArrayList<Integer>(); ArrayList<Integer> nilai_b = new ArrayList<Integer>(); ArrayList<Integer> nilai_rh = new ArrayList<Integer>(); ArrayList<Integer> nilai_gh = new ArrayList<Integer>(); ArrayList<Integer> nilai_bh = new ArrayList<Integer>(); Integer baris,kolom; String namafilekunci;

2 protected void oncreate(bundle savedinstancestate) super.oncreate(savedinstancestate); setcontentview(r.layout.enkripsi); nama = (EditText)findViewById(R.id.editText1); ukuran = (EditText)findViewById(R.id.EditText01); img = (ImageView)findViewById(R.id.imageView1); imgxor = (ImageView)findViewById(R.id.ImageView01); imgtranspos = (ImageView)findViewById(R.id.ImageView02); btn_tampil = (Button)findViewById(R.id.Buttonkunci); btn_tampil.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) File file=new File(namafilekunci); if(file.exists()) try Intent i=new Intent(Intent.ACTION_EDIT); i.setdataandtype(uri.fromfile(file),"text/plain"); startactivity(i); catch(activitynotfoundexception e) Toast.makeText(Enkripsi.this, "Proses gagal", Toast.LENGTH_LONG).show(); ); btn_pilih = (Button)findViewById(R.id.Buttonpilih); btn_pilih.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) Intent intent = new Intent(); intent.settype("image/*"); intent.setaction(intent.action_get_content); ); startactivityforresult(intent.createchooser(intent,"s elect Picture"), SELECT_PICTURE); btn_acak = (Button)findViewById(R.id.button1); btn_acak.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) kunci1 = new ArrayList<Integer>(); Random rand = new Random(); Bitmap bitmap = ((BitmapDrawable)img.getDrawable()).getBitmap(); for(int i=0; i<bitmap.getheight()*bitmap.getwidth();i++) kunci1.add(rand.nextint(256)); Toast.makeText(getBaseContext(), "Kunci Berhasil Dibuat", Toast.LENGTH_SHORT).show(); ); btn_xor = (Button)findViewById(R.id.Button03);

3 A-3 btn_xor.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) double starttime= System.currentTimeMillis(); Bitmap bitmap = ((BitmapDrawable)img.getDrawable()).getBitmap(); Bitmap hasil = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getheight(), Config.ARGB_8888); int p, R, G, B, k=0; for(int i=0; i<bitmap.getwidth();i++) for(int j=0; j<bitmap.getheight();j++) p = bitmap.getpixel(i, j); R = Color.red(p); G = Color.green(p); B = Color.blue(p); hasil.setpixel(i, j, Color.argb(255, R^kunci1.get(k), G^kunci1.get(k), B^kunci1.get(k))); k++; imgxor.setimagebitmap(hasil); double endtime= System.currentTimeMillis(); double total =(endtime-starttime)/1000; Toast.makeText(getBaseContext(), "Proses Enkripsi XOR selesai dengan waktu " + total + "s", Toast.LENGTH_SHORT).show(); ); btn_transpos = (Button)findViewById(R.id.Button02); btn_transpos.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) double starttime= System.currentTimeMillis(); Bitmap bitmap = ((BitmapDrawable)imgxor.getDrawable()).getBitmap(); Bitmap hasil = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getheight(), Config.ARGB_8888); int p, R, G, B, k=0; for(int i=0; i<bitmap.getwidth();i++) for(int j=0; j<bitmap.getheight();j++) p = bitmap.getpixel(i, j); R = Color.red(p); G = Color.green(p); B = Color.blue(p); nilai_r.add(r); nilai_g.add(g); nilai_b.add(b); nilai_rh.clear(); nilai_gh.clear(); nilai_bh.clear(); nilai_r = proses(nilai_r,1); nilai_g = proses(nilai_g,2);

4 A-4 ); nilai_b = proses(nilai_b,3); for(int i=0; i<bitmap.getwidth();i++) for(int j=0; j<bitmap.getheight();j++) hasil.setpixel(i, j, Color.argb(255, nilai_r.get(k), nilai_g.get(k), nilai_b.get(k))); k++; imgtranspos.setimagebitmap(hasil); double endtime= System.currentTimeMillis(); double total =(endtime-starttime)/1000; Toast.makeText(getBaseContext(), "Proses Enkripsi Transposisi Segitiga selesai dengan waktu " + total + "s", Toast.LENGTH_SHORT).show(); btn_reset = (Button)findViewById(R.id.Button04); btn_reset.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) img.setimageresource(r.drawable.ssss); imgxor.setimageresource(r.drawable.ssss); imgtranspos.setimageresource(r.drawable.ssss); nama.settext(""); ukuran.settext(""); ); btn_save = (Button)findViewById(R.id.Button05); btn_save.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) Bitmap bitmap = ((BitmapDrawable)imgtranspos.getDrawable()).getBitmap (); storeimage(bitmap); ); private void storeimage(bitmap image) File picturefile = getoutputmediafile(); if (picturefile == null) Log.d("ooo", "Error creating media file, check storage permissions: ");// e.getmessage()); return; try double starttime= System.currentTimeMillis(); FileOutputStream fos = new FileOutputStream(pictureFile); image.compress(bitmap.compressformat.png, 90, fos); fos.close();

5 A-5 namafilekunci = picturefile.getpath().substring(0, picturefile.getpath().length()-4) + "_k.txt"; File myfile = new File(namafilekunci); myfile.createnewfile(); FileOutputStream fout = new FileOutputStream(myFile); OutputStreamWriter myoutwriter = new OutputStreamWriter(fOut); for(int i = 0; i< kunci1.size()-1; i++) myoutwriter.append(kunci1.get(i).tostring()+"~"); myoutwriter.append(kunci1.get(kunci1.size()- 1).toString()+"\n"); myoutwriter.close(); fout.close(); String namafile = picturefile.getpath().substring(0, picturefile.getpath().length()-4) + ".txt"; myfile = new File(namafile); myfile.createnewfile(); fout = new FileOutputStream(myFile); myoutwriter = new OutputStreamWriter(fOut); for(int i = 0; i< nilai_rh.size()-1; i++) myoutwriter.append(nilai_rh.get(i).tostring()+"~"); myoutwriter.append(nilai_rh.get(nilai_rh.size()- 1).toString()+"\n"); for(int i = 0; i< nilai_gh.size()-1; i++) myoutwriter.append(nilai_gh.get(i).tostring()+"~"); myoutwriter.append(nilai_gh.get(nilai_gh.size()- 1).toString()+"\n"); for(int i = 0; i< nilai_bh.size()-1; i++) myoutwriter.append(nilai_bh.get(i).tostring()+"~"); myoutwriter.append(nilai_bh.get(nilai_bh.size()- 1).toString()+"\n"); myoutwriter.append(baris.tostring()+"\n"); myoutwriter.append(kolom.tostring()+"\n"); myoutwriter.close(); fout.close(); double endtime= System.currentTimeMillis(); double total =(endtime-starttime)/1000; Toast.makeText(this, "File Berhasil Disimpan dengan waktu " + total + "s", Toast.LENGTH_SHORT).show(); catch (FileNotFoundException e) Log.d("ooo", "File not found: " + e.getmessage()); catch (IOException e) Log.d("ooo", "Error accessing file: " + e.getmessage()); private File getoutputmediafile() File mediastoragedir = new File(Environment.getExternalStorageDirectory() + "/Pictures"); if (! mediastoragedir.exists()) if (! mediastoragedir.mkdirs()) return null; String timestamp = new SimpleDateFormat("ddMMyyyy_HHmm").format(new Date()); File mediafile; String mimagename="nur_"+timestamp +".jpg";

6 A-6 mediafile = new File(mediaStorageDir.getPath() + File.separator + mimagename); return mediafile; ArrayList<Integer> proses(arraylist<integer> temp, int x) int limit = 0, j = 1, i, row = 0, col = 0; ArrayList<Integer> temp2 = new ArrayList<Integer>(); i=0; limit = i*i; while(limit<temp.size()) i++; limit = i*i; row++; col = row + (row-1); String[][] triangle = new String[row][col]; int mid = ((col + 1) /2)-1; int idx = 0; for(i = 0; i<row; i++) for(j = mid-i; j<=mid+i; j++) if(temp.size() <= idx) triangle[i][j] = "-1"; else triangle[i][j] = temp.get(idx).tostring(); idx++; for(i=0; i<col; i++) for(j=0; j<row; j++) if(triangle[j][i]!= null && triangle[j][i]!= "-1") temp2.add(integer.parseint(triangle[j][i])); for(i=0; i<col; i++) for(j=0; j<row; j++) if(triangle[j][i]!= null) if(x==1) nilai_rh.add(integer.parseint(triangle[j][i])); else if(x==2) nilai_gh.add(integer.parseint(triangle[j][i])); else if(x==3) nilai_bh.add(integer.parseint(triangle[j][i])); baris = row; kolom = col; return temp2;

7 A-7 public void onactivityresult(int requestcode, int resultcode, Intent data) if (resultcode == RESULT_OK) if (requestcode == SELECT_PICTURE) Uri selectedimageuri = data.getdata(); selectedimagepath = getpath(selectedimageuri); nama.settext(selectedimagepath.tostring()); try File f = new File(selectedImagePath); bmp = BitmapFactory.decodeStream(new FileInputStream(f)); img.setimagebitmap(bmp); if (f.getpath().endswith(".jpeg") (f.getpath().endswith( ".jpg"))) img.setimagebitmap(bmp); else nama.settext(""); ukuran.settext(""); img.setimagebitmap(null); Toast.makeText(getBaseContext(), "Silahkan pilih gambar dengan ekstensi.jpg atau JPEG", Toast.LENGTH_SHORT).show(); x = bmp.getwidth(); y = bmp.getheight(); ukuran.settext(x.tostring()+" X "+y.tostring()); if ((bmp.getwidth() > 600) && (bmp.getheight() > 600 )) nama.settext(""); ukuran.settext(""); img.setimagebitmap(null); Toast.makeText(getBaseContext(), "silahkan pilih gambar lebih kecil dari 600 x 600 piksel", Toast.LENGTH_SHORT).show(); catch (FileNotFoundException e) e.printstacktrace(); public String getpath(uri uri) if( uri == null ) return null; String[] projection = MediaStore.Images.Media.DATA ; Cursor cursor = managedquery(uri, projection, null, null, null); if( cursor!= null ) int column_index = cursor.getcolumnindexorthrow(mediastore.images.media.d ATA); cursor.movetofirst(); String path = cursor.getstring(column_index);

8 A-8 cursor.close(); return path; return public boolean oncreateoptionsmenu(menu menu) getmenuinflater().inflate(r.menu.main, menu); return public boolean onoptionsitemselected(menuitem item) switch (item.getitemid()) case R.id.action_home: Intent home = new Intent(Enkripsi.this, MainActivity.class); this.finish(); startactivity(home); break; case R.id.action_enkripsi: Intent enkrip = new Intent(Enkripsi.this, Enkripsi.class); this.finish(); startactivity(enkrip); break; case R.id.action_help: Intent help = new Intent(Enkripsi.this, Help.class); this.finish(); startactivity(help); break; case R.id.action_dekripsi: Intent dekrip = new Intent(Enkripsi.this, Dekripsi.class); this.finish(); startactivity(dekrip); break; return super.onoptionsitemselected(item);

9 A-9 Menu Dekripsi package com.example.program; import java.io.bufferedreader; import java.io.file; import java.io.fileinputstream; import java.io.filenotfoundexception; import java.io.fileoutputstream; import java.io.filereader; import java.io.ioexception; import java.io.outputstreamwriter; import java.text.simpledateformat; import java.util.arraylist; import java.util.date; import android.app.activity; import android.content.activitynotfoundexception; import android.content.intent; import android.database.cursor; import android.graphics.bitmap; import android.graphics.bitmapfactory; import android.graphics.color; import android.graphics.bitmap.config; import android.graphics.drawable.bitmapdrawable; import android.net.uri; import android.os.bundle; import android.os.environment; import android.provider.mediastore; import android.util.log; import android.view.menu; import android.view.menuitem; import android.view.view; import android.widget.button; import android.widget.edittext; import android.widget.imageview; import android.widget.toast; public class Dekripsi extends Activity public int SELECT_PICTURE = 1; public String selectedimagepath; EditText nama, ukuran; ImageView img, imgxor, imgtranspos; Bitmap bmp; Button btn_pilih, btn_xor, btn_transpos, btn_reset, btn_save, btn_tampil; Integer x,y; ArrayList<Integer> kunci1 = new ArrayList<Integer>(); ArrayList<Integer> nilai_r = new ArrayList<Integer>(); ArrayList<Integer> nilai_g = new ArrayList<Integer>(); ArrayList<Integer> nilai_b = new ArrayList<Integer>(); ArrayList<Integer> nilai_rh = new ArrayList<Integer>(); ArrayList<Integer> nilai_gh = new ArrayList<Integer>(); ArrayList<Integer> nilai_bh = new ArrayList<Integer>(); int baris,kolom; String protected void oncreate(bundle savedinstancestate)

10 A-10 super.oncreate(savedinstancestate); setcontentview(r.layout.dekripsi); nama = (EditText)findViewById(R.id.editText1); ukuran = (EditText)findViewById(R.id.EditText01); img = (ImageView)findViewById(R.id.imageView1); imgxor = (ImageView)findViewById(R.id.ImageView02); imgtranspos = (ImageView)findViewById(R.id.ImageView01); btn_tampil = (Button)findViewById(R.id.Button06); btn_tampil.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) File file=new File(namafilekunci); if(file.exists()) try Intent i=new Intent(Intent.ACTION_EDIT); i.setdataandtype(uri.fromfile(file),"tex t/plain"); startactivity(i); catch(activitynotfoundexception e) Toast.makeText(Dekripsi.this, "error",toast.length_long).show(); ); btn_pilih = (Button)findViewById(R.id.Button01); btn_pilih.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) Intent intent = new Intent(); intent.settype("image/*"); intent.setaction(intent.action_get_content); ); startactivityforresult(intent.createchooser(in tent,"select Picture"), SELECT_PICTURE); btn_transpos = (Button)findViewById(R.id.Button03); btn_transpos.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) double starttime= System.currentTimeMillis(); Bitmap bitmap = ((BitmapDrawable)img.getDrawable()).getBitmap(); Bitmap hasil = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getheight(), Config.ARGB_8888); nilai_r = proses2(nilai_rh); nilai_g = proses2(nilai_gh); nilai_b = proses2(nilai_bh); int k=0; for(int i=0; i<bitmap.getwidth();i++)

11 A-11 ); for(int j=0; j<bitmap.getheight();j++) hasil.setpixel(i, j, Color.argb(255, nilai_r.get(k), nilai_g.get(k), nilai_b.get(k))); k++; imgtranspos.setimagebitmap(hasil); double endtime= System.currentTimeMillis(); double total =(endtime-starttime)/1000; Toast.makeText(getBaseContext(), "Proses Dekripsi Transposisi Segitiga selesai dengan waktu " + total + "s", Toast.LENGTH_SHORT).show(); btn_xor = (Button)findViewById(R.id.Button02); btn_xor.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) double starttime= System.currentTimeMillis(); Bitmap bitmap = ((BitmapDrawable)imgtranspos.getDrawable()).getBitmap(); Bitmap hasil = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getheight(), Config.ARGB_8888); int p, R, G, B, k=0; for(int i=0; i<bitmap.getwidth();i++) for(int j=0; j<bitmap.getheight();j++) p = bitmap.getpixel(i, j); R = Color.red(p); G = Color.green(p); B = Color.blue(p); hasil.setpixel(i, j, Color.argb(255, R^kunci1.get(k), G^kunci1.get(k), B^kunci1.get(k))); k++; imgxor.setimagebitmap(hasil); double endtime= System.currentTimeMillis(); double total =(endtime-starttime)/1000; Toast.makeText(getBaseContext(), "Proses Dekrip XOR selesai dengan waktu " + total + "s", Toast.LENGTH_SHORT).show(); ); btn_reset = (Button)findViewById(R.id.Button04); btn_reset.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) img.setimageresource(r.drawable.ssss); imgxor.setimageresource(r.drawable.ssss); imgtranspos.setimageresource(r.drawable.ssss); nama.settext(""); ukuran.settext("");

12 A-12 ); btn_save = (Button)findViewById(R.id.Button05); btn_save.setonclicklistener(new View.OnClickListener() public void onclick(view arg0) Bitmap bitmap = ((BitmapDrawable)imgxor.getDrawable()).getBitmap(); storeimage(bitmap); ); ArrayList<Integer> proses2(arraylist<integer> temp) int j = 1, i, row = baris, col = kolom; ArrayList<Integer> temp2 = new ArrayList<Integer>(); String[][] triangle = new String[row][col]; int mid = ((col + 1) /2)-1; int idx = 0; for(i = 0; i<col; i++) if( i >= mid) for(j = i-row+1; j<row; j++) triangle[j][i] = temp.get(idx).tostring(); idx++; else if(i<mid) for(j = row-i-1; j<row; j++) triangle[j][i] = temp.get(idx).tostring(); idx++; for(i=0; i<row; i++) for(j=0; j<col; j++) if(triangle[i][j]!= null && triangle[i][j]!= "-1") temp2.add(integer.parseint(triangle[i][j])); return temp2; public void onactivityresult(int requestcode, int resultcode, Intent data) String temp = ""; if (resultcode == RESULT_OK) if (requestcode == SELECT_PICTURE) Uri selectedimageuri = data.getdata(); selectedimagepath = getpath(selectedimageuri); temp = selectedimagepath.substring(0,selectedimagepath.length()- 4) + ".txt";

13 A-13 namafilekunci = selectedimagepath.substring(0,selectedimagepath.length()- 4) + "_k.txt"; nama.settext(selectedimagepath.tostring()); try File f = new File(selectedImagePath); bmp = BitmapFactory.decodeStream(new FileInputStream(f)); img.setimagebitmap(bmp); x = bmp.getwidth(); y = bmp.getheight(); ukuran.settext(x.tostring()+" X "+y.tostring()); catch (FileNotFoundException e) e.printstacktrace(); File file = new File(namafilekunci); try BufferedReader br = new BufferedReader(new FileReader(file)); String line; line = br.readline(); String[] tmp = line.split("~"); if(kunci1!=null) kunci1.clear(); for(int i=0; i<tmp.length; i++) kunci1.add(integer.parseint(tmp[i])); br.close(); catch (IOException e) e.printstacktrace(); file = new File(temp); try BufferedReader br = new BufferedReader(new FileReader(file)); String line; line = br.readline(); String[] tmp1 = line.split("~"); if(nilai_rh!=null) nilai_rh.clear(); for(int i=0; i<tmp1.length; i++) nilai_rh.add(integer.parseint(tmp1[i])); line = br.readline(); String[] tmp2 = line.split("~"); if(nilai_gh!=null) nilai_gh.clear(); for(int i=0; i<tmp2.length; i++)

14 A-14 nilai_gh.add(integer.parseint(tmp2[i])); line = br.readline(); String[] tmp3 = line.split("~"); if(nilai_bh!=null) nilai_bh.clear(); for(int i=0; i<tmp3.length; i++) nilai_bh.add(integer.parseint(tmp3[i])); line = br.readline(); baris = Integer.parseInt(line); line = br.readline(); kolom = Integer.parseInt(line); br.close(); Toast.makeText(this, "File Dibuka", Toast.LENGTH_LONG).show(); catch (IOException e) e.printstacktrace(); public String getpath(uri uri) if( uri == null ) return null; String[] projection = MediaStore.Images.Media.DATA ; Cursor cursor = managedquery(uri, projection, null, null, null); if( cursor!= null ) int column_index = cursor.getcolumnindexorthrow(mediastore.images.media.data) ; cursor.movetofirst(); String path = cursor.getstring(column_index); cursor.close(); return path; return uri.getpath(); private File getoutputmediafile() File mediastoragedir = new File(Environment.getExternalStorageDirectory() + "/Pictures"); if (! mediastoragedir.exists()) if (! mediastoragedir.mkdirs()) return null; String timestamp = new SimpleDateFormat("ddMMyyyy_HHmm").format(new Date()); File mediafile;

15 A-15 String mimagename="nur_"+timestamp +".jpg"; mediafile = new File(mediaStorageDir.getPath() + File.separator + mimagename); return mediafile; private void storeimage(bitmap image) File picturefile = getoutputmediafile(); if (picturefile == null) Log.d("ooo","Error creating media file, check storage permissions: "); return; try FileOutputStream fos = new FileOutputStream(pictureFile); image.compress(bitmap.compressformat.png, 90, fos); fos.close(); Toast.makeText(this, "File Berhasil Disimpan", Toast.LENGTH_SHORT).show(); catch (FileNotFoundException e) Log.d("ooo", "File not found: " + e.getmessage()); catch (IOException e) Log.d("ooo", "Error accessing file: " + public boolean oncreateoptionsmenu(menu menu) getmenuinflater().inflate(r.menu.main, menu); return public boolean onoptionsitemselected(menuitem item) switch (item.getitemid()) case R.id.action_home: Intent home = new Intent(Dekripsi.this, MainActivity.class); this.finish(); startactivity(home); break; case R.id.action_enkripsi: Intent enkrip = new Intent(Dekripsi.this, Enkripsi.class); this.finish(); startactivity(enkrip); break; case R.id.action_help: Intent help = new Intent(Dekripsi.this, Help.class); this.finish(); startactivity(help); break; case R.id.action_dekripsi: Intent dekrip = new Intent(Dekripsi.this, Dekripsi.class); this.finish(); startactivity(dekrip); break; return super.onoptionsitemselected(item);

B-1 I. DATA PRIBADI / Personal Identification DAFTAR RIWAYAT HIDUP CURRICULUM VITAE Nama : Nurhasanah Lengkap Tempat/ : Guntung/ 17 Oktober 1995 Tgl.

16 B-1 I. DATA PRIBADI / Personal Identification DAFTAR RIWAYAT HIDUP CURRICULUM VITAE Nama : Nurhasanah Lengkap Tempat/ : Guntung/ 17 Oktober 1995 Tgl. Lahir Jenis Kelamin : Perempuan Agama : Islam Kebangsaan : Indonesia Alamat : Desa Empat Negri Dusun VII Kec. Lima Puluh Kab. Batu Bara Telepon : NurhasanahOktober17@gmail.com II. III. IV. KEMAMPUAN / Capabilities Bahasa Bahasa Pemrograman Database Lainnya : Bahasa Indonesia, Bahasa Inggris : C#, C++,Pascal : MySQL : HTML, Ms. Office PENDIDIKAN FORMAL / Formal Education [ ]S1 Ilmu Komputer, Fakultas Ilmu Komputer dan Teknologi Informasi [ ]MA Perguruan Cipta Simpang Dolok [ ]SMP Negeri 2 Lima Puluh [ ]SD Negeri No: PELATIHAN DAN SEMINAR / Trainings & Workshop 1) Peserta Seminar Nasional Melalui Inovasi Teknologi untuk Menciptkan Mahasiswa Kreatif dan Mandiri, [2017] 2) Peserta Seminar IMPACT Medan Success Has No Limit, [2016] 3) Peserta Workshop Bank Indonesia Goes To Campus Bersama NET., Universitas Sumatera Utara [2016] 4) Peserta Seminar Nasional Literasi Informasi (SENARAI) Fasilkom-TI Universitas Sumatera Utara [2014] 5) Peserta Seminar What Will You Be? IMILKOM [2013] V. LAINNYA / Others 1) Penerima Beasiswa Bidik Misi [ ] (CV Updated on April, 17th, 2017)

LISTING PROGRAM. com.example.jessicatamara.myapplication4;

LISTING PROGRAM. com.example.jessicatamara.myapplication4; A-1 LISTING PROGRAM MainActivity.java package import import import import import import com.example.jessicatamara.myapplication4; android.content.intent; android.support.v7.app.appcompatactivity; android.os.bundle;