Pemrograman Visual Java Membuat Form Penilaian

Transkripsi

1 Pemrograman Visual Java Membuat Form Penilaian import javax.swing.*; import java.awt.*; import java.awt.event.*; public class Nilaigel2 public static void main (String[]arg) //membuat Komponen Yang di perlukan JFrame frame = new JFrame (".::.Form Nilai.::. Moh. ALI MT"); JLabel lblnim = new JLabel ("NIM"); JLabel lblnama = new JLabel ("NAMA"); JLabel lblalamat = new JLabel ("ALAMAT"); final JTextField txtfnim = new JTextField (15); final JTextField txtfnama = new JTextField (25); final JTextField txtfalamat = new JTextField (25); JLabel lbltugas = new JLabel ("Nilai Tugas"); JLabel lbluts = new JLabel ("Nilai UTS"); JLabel lbluas = new JLabel ("Nilai UAS"); String []DftNilai="10","20","30","40","50","60","70","80","90","100"; final JComboBox cbbtugas=new JComboBox(DftNilai); final JComboBox cbbuts=new JComboBox(DftNilai); final JComboBox cbbuas=new JComboBox(DftNilai); final JTextArea areacheck = new JTextArea (15,30); JScrollPane scrollpane = new JScrollPane (areacheck, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS); JButton btntampil = new JButton ("Tampilkan"); btntampil.setmnemonic('t'); JButton btnbersih = new JButton ("Bersihkan"); btnbersih.setmnemonic('b'); JButton btnexit = new JButton ("Keluar"); btnexit.setmnemonic('k'); // Pengaturan Layout Container isiframe; isiframe = frame.getcontentpane(); isiframe.setlayout(null); isiframe.add(lblnim); isiframe.add(lblnama); isiframe.add(lblalamat); isiframe.add(txtfnim); isiframe.add(txtfnama); isiframe.add(txtfalamat); isiframe.add(lbltugas); isiframe.add(lbluts); 1

2 isiframe.add(lbluas); isiframe.add(cbbtugas); isiframe.add(cbbuts); isiframe.add(cbbuas); isiframe.add(scrollpane); isiframe.add(btntampil); isiframe.add(btnbersih); isiframe.add(btnexit); lblnim.setbounds(10,10,75,20); txtfnim.setbounds(70,10,125,20); lblnama.setbounds(10,35,75,20); txtfnama.setbounds(70,35,300,20); lblalamat.setbounds(10,60,75,20); txtfalamat.setbounds(70,60,350,20); lbltugas.setbounds(10,95,80,20); cbbtugas.setbounds(80,95,50,20); lbluts.setbounds(160,95,60,20); cbbuts.setbounds(220,95,50,20); lbluas.setbounds(300,95,60,20); cbbuas.setbounds(370,95,50,20); scrollpane.setbounds(10,130,370,200); btntampil.setbounds(10,350,100,27); btnbersih.setbounds(150,350,100,27); btnexit.setbounds(300,350, 100, 27); btntampil.setbackground(color.blue); btnbersih.setbackground(color.blue); btnexit.setbackground(color.blue); btntampil.setforeground(color.yellow); btnbersih.setforeground(color.yellow); btnexit.setforeground(color.yellow); // Penangan Kejadian dan Algoritmanya //Algoritmanya //event untuk button.. btntampil.addmouselistener(new MouseListener() public void mouseclicked(mouseevent e) String ntugas=string.valueof(cbbtugas.getselecteditem()); String nuts=string.valueof(cbbuts.getselecteditem()); String nuas=string.valueof(cbbuas.getselecteditem()); float niltugas=float.parsefloat(ntugas); float niluts=float.parsefloat(nuts); float niluas=float.parsefloat(nuas); float nilakhir=(niltugas+niluts+niluas)/3; String grade=" "; String keterangan=" "; 2

3 String Pesan=" "; if(nilakhir>85) grade="a"; keterangan ="Perfect dan Anda Lulus"; Pesan ="Selamat, Pertahankan Prestasimu"; else if(nilakhir>70 && nilakhir<=85) grade="b"; keterangan="excellent dan Anda Lulus"; Pesan =" Selamat Ya.., Tingkatkan Terus Prestasimu"; else if(nilakhir>60 && nilakhir<=70) grade="c"; keterangan="good dan Anda Lulus"; Pesan =" Belajarlah Lebih Rajin Lagi"; else if(nilakhir>50 && nilakhir<=60) grade="d"; keterangan="bad dan Belum Lulus"; Pesan ="Anda Perlu belajar Lebih Keras Lagi"; else grade="e"; keterangan ="Worst & Anda Belum Lulus"; Pesan ="Anda Jangan Bermalas Malasan & Terus Belajar"; String Show; Show="NIM\t: "+txtfnim.gettext()+ "\nnama\t: "+txtfnama.gettext()+ "\nalamat\t: "+txtfalamat.gettext()+ "\nnilai Tugas\t: "+ntugas+ "\nnilai UTS\t: "+nuts+ "\nnilai UAS\t: "+nuas+ "\nnilai Akhir\t: "+nilakhir+ "\ngrade\t: "+grade+ "\nketerangan\t: "+keterangan+ "\npesan\t: "+Pesan; areacheck.append(show); public void mouseentered(mouseevent e) public void mouseexited(mouseevent e) public void mousepressed(mouseevent e) public void mousereleased(mouseevent e) ); 3

4 // event tuk membersihkan btnbersih.addactionlistener(new ActionListener() public void actionperformed(actionevent e) txtfnim.settext(""); txtfnama.settext(""); txtfalamat.settext(""); txtfnim.requestfocus(); areacheck.settext(""); ); //evnt tuk keluar program btnexit.addactionlistener(new ActionListener() public void actionperformed(actionevent e) System.exit(0); ); //Event agar dapat DiEnter... txtfnim.addkeylistener(new KeyListener() public void keypressed(keyevent e) txtfnama.requestfocus(); public void keyreleased(keyevent e) public void keytyped(keyevent e) ); txtfnama.addkeylistener(new KeyListener() public void keypressed(keyevent e) txtfalamat.requestfocus(); public void keyreleased(keyevent e) public void keytyped(keyevent e) ); //event Enter ke ComboBox txtfalamat.addkeylistener(new KeyListener() public void keypressed(keyevent e) cbbtugas.requestfocus(); public void keyreleased(keyevent e) 4

5 public void keytyped(keyevent e) ); cbbtugas.addkeylistener(new KeyListener() public void keypressed(keyevent e) cbbuts.requestfocus(); public void keyreleased(keyevent e) public void keytyped(keyevent e) ); cbbuts.addkeylistener(new KeyListener() public void keypressed(keyevent e) cbbuas.requestfocus(); public void keyreleased(keyevent e) public void keytyped(keyevent e) ); // frame.setbackground(color.blue); frame.setsize(450,430); // frame.pack(); frame.setvisible(true); frame.setdefaultcloseoperation(jframe.exit_on_close); Program/sourcecode diatas akan tampil sebagai berikut 5

6 masih kosong Gambar 1. Tampilan Ketika Button Tampil belum di klik atau dienter, text Area Gambar 2. Taxt Area Terisi ketika Button di klik atau dienter. 6