Java-2 – YO2015 – Hafta – 4
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import javax.swing.*; import java.awt.*; import java.awt.event.*; public class ornek1 implements ActionListener { DefaultListModel<String> lad, lvize, lfinal, lort, lharf; JList<String> jls1, jls2, jls3, jls4, jls5; JTextField jtf_ad, jtf_vize, jtf_final; JLabel jlab_gec, jlab_kal; String[] harfler = { "AA", "BA", "BB", "CB", "CC", "DC", "DD", "FD" }; int[] sinirlar = { 90, 80, 70, 60, 50, 40, 35, 30 }; public ornek1() { JFrame jfrm = new JFrame("Hafta-4, Not Listesi"); jfrm.setSize(550, 240); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jfrm.setLayout(new GridLayout(1, 5)); JPanel jpn = new JPanel(); jfrm.add(jpn); JLabel jlab = new JLabel("Ad"); jpn.add(jlab); lad = new DefaultListModel<String>(); jls1 = new JList<String>(lad); JScrollPane jscp1 = new JScrollPane(jls1); jscp1.setPreferredSize(new Dimension(100, 130)); jpn.add(jscp1); jtf_ad = new JTextField(9); jpn.add(jtf_ad); JButton jbtn = new JButton("Ekle"); jbtn.setActionCommand("ekle"); jbtn.addActionListener(this); jpn.add(jbtn); jpn = new JPanel(); jfrm.add(jpn); jlab = new JLabel("Vize"); jpn.add(jlab); lvize = new DefaultListModel<String>(); jls2 = new JList<String>(lvize); jscp1 = new JScrollPane(jls2); jscp1.setPreferredSize(new Dimension(100, 130)); jpn.add(jscp1); jtf_vize = new JTextField(9); jpn.add(jtf_vize); jbtn = new JButton("Sil"); jbtn.addActionListener(this); jpn.add(jbtn); jpn = new JPanel(); jfrm.add(jpn); jlab = new JLabel("Final"); jpn.add(jlab); lfinal = new DefaultListModel<String>(); jls3 = new JList<String>(lfinal); jscp1 = new JScrollPane(jls3); jscp1.setPreferredSize(new Dimension(100, 130)); jpn.add(jscp1); jtf_final = new JTextField(9); jpn.add(jtf_final); jpn = new JPanel(); jfrm.add(jpn); jlab = new JLabel("Ortalama"); jpn.add(jlab); lort = new DefaultListModel<String>(); jls4 = new JList<String>(lort); jscp1 = new JScrollPane(jls4); jscp1.setPreferredSize(new Dimension(100, 130)); jpn.add(jscp1); jlab_gec = new JLabel("Geçen: 0"); jpn.add(jlab_gec); jpn = new JPanel(); jfrm.add(jpn); jlab = new JLabel("Harf"); jpn.add(jlab); lharf = new DefaultListModel<String>(); jls5 = new JList<String>(lharf); jscp1 = new JScrollPane(jls5); jscp1.setPreferredSize(new Dimension(100, 130)); jpn.add(jscp1); jlab_kal = new JLabel("Kalan: 0"); jpn.add(jlab_kal); jfrm.setVisible(true); } @Override public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("ekle")) { // ekleme try { if (jtf_ad.getText().length() > 0 && jtf_vize.getText().length() > 0 && jtf_final.getText().length() > 0) { int vizenot = Integer.parseInt(jtf_vize.getText()); int finalnot = Integer.parseInt(jtf_final.getText()); if (vizenot >= 0 && vizenot <= 100 && finalnot >= 0 && finalnot <= 100) { double ort = vizenot * 0.4 + finalnot * 0.6; int not_ort = (int) Math.round(ort); // yuvarlama lad.addElement(jtf_ad.getText()); lvize.addElement(jtf_vize.getText()); lfinal.addElement(jtf_final.getText()); lort.addElement(ort + ""); lharf.addElement(harfhesapla(not_ort)); jtf_ad.setText(""); jtf_vize.setText(""); jtf_final.setText(""); } } } catch (Exception ex) { } } else { // silme int secilen=jls1.getSelectedIndex(); if(secilen>-1) { lad.remove(secilen); lvize.remove(secilen); lfinal.remove(secilen); lort.remove(secilen); lharf.remove(secilen); } } gecenkalan(); } private void gecenkalan() { int gecen=0; int kalan=0; for(int i=0;i<lort.size();i++) { double ort = Double.parseDouble(lort.get(i)); int not_ort=(int)Math.round(ort); if(not_ort>=50) gecen++; else kalan++; } jlab_gec.setText("Geçen: "+gecen); jlab_kal.setText("Kalan: "+kalan); } private String harfhesapla(int ort) { for (int i = 0; i < sinirlar.length; i++) { if (ort >= sinirlar[i]) return harfler[i]; } return "FF"; } public static void main(String[] args) { new ornek1(); } } |
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import java.awt.event.*; import java.awt.*; import java.util.Arrays; import javax.swing.*; public class ornek2 implements ActionListener { JRadioButton[] jrb = new JRadioButton[6]; JTextField jtf; String[] hex = { "A", "B", "C", "D", "E", "F" }; public ornek2() { JFrame jfrm = new JFrame("Hafta-4, Dönüşüm"); jfrm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); jfrm.setLayout(new FlowLayout()); jfrm.setSize(200, 200); jtf = new JTextField(15); jfrm.add(jtf); String[] icerik = { "İkilik", "Onluk", "Onaltılık" }; JPanel jpn = new JPanel(); jpn.setLayout(new GridLayout(3, 2)); jfrm.add(jpn); ButtonGroup bg1 = new ButtonGroup(); ButtonGroup bg2 = new ButtonGroup(); for (int i = 0; i < 3; i++) { jrb[i] = new JRadioButton(icerik[i]); bg1.add(jrb[i]); jpn.add(jrb[i]); jrb[i + 3] = new JRadioButton(icerik[i]); bg2.add(jrb[i + 3]); jpn.add(jrb[i + 3]); } jrb[0].setSelected(true); jrb[3].setSelected(true); JButton jbtn = new JButton("Dönüştür"); jbtn.addActionListener(this); jfrm.add(jbtn); jfrm.setVisible(true); } @Override public void actionPerformed(ActionEvent e) { int[] secilen = { 0, 0 }; int k = 0; for (int i = 0; i < jrb.length; i++) { if (jrb[i].isSelected()) secilen[k++] = i; } if (jtf.getText().length() > 0) { String veri = jtf.getText().toUpperCase(); if (!kontrol(secilen[0], veri)) JOptionPane.showMessageDialog(null, "Girilen sayı seçilen formata uygun değil"); else { String sonuc = ""; if (secilen[0] == 0 && secilen[1] == 4) { // ikilik --> onluk sonuc = bin2dec(veri); } if (secilen[0] == 1 && secilen[1] == 3) { // onluk --> ikilik sonuc = dec2bin(veri); } if (secilen[0] == 1 && secilen[1] == 5) { // onluk --> onaltilik sonuc = dec2hex(veri); } if (secilen[0] == 2 && secilen[1] == 4) { // onaltilik --> onluk sonuc = hex2dec(veri); } if (secilen[0] == 0 && secilen[1] == 5) { // ikilik --> onaltilik sonuc = bin2dec(veri); sonuc = dec2hex(sonuc); } if (secilen[0] == 2 && secilen[1] == 3) { //onaltilik --> ikilik sonuc = hex2dec(veri); sonuc = dec2bin(sonuc); } jtf.setText(sonuc); } } } private String hex2dec(String deger) { int sonuc = 0; for (int index = 0; index < deger.length(); index++) { int ind = Arrays.binarySearch(hex, (deger.charAt(index) + "")); int sayi = 0; if (ind > -1) sayi = 10 + ind; else sayi = Integer.parseInt(deger.charAt(index) + ""); sonuc += sayi * (int) Math.pow(16, deger.length() - index - 1); } return sonuc + ""; } private String dec2hex(String deger) { String sonuc = ""; int veri = Integer.parseInt(deger); while (veri > 0) { int kalan = veri % 16; veri = (veri - kalan) / 16; if (kalan > 9) sonuc = hex[kalan % 10] + sonuc; else sonuc = kalan + sonuc; } return sonuc; } private String dec2bin(String deger) { String sonuc = ""; int veri = Integer.parseInt(deger); while (veri > 0) { int kalan = veri % 2; veri = (veri - kalan) / 2; sonuc = kalan + sonuc; } return sonuc; } private String bin2dec(String deger) { int sonuc = 0; for (int index = 0; index < deger.length(); index++) { int sayi = Integer.parseInt(deger.charAt(index) + ""); sonuc += sayi * (int) Math.pow(2, deger.length() - index - 1); } return sonuc + ""; } private boolean kontrol(int tip, String deger) { boolean durum = true; for (int index = 0; index < deger.length(); index++) { String veri = deger.charAt(index) + ""; if (tip == 0) { if (!(veri.equals("0") || veri.equals("1"))) return false; } else if (tip == 1) { try { Integer.parseInt(veri); // sayiya donustur donusmezse sayi // degil } catch (Exception ex) { return false; } } else { // onaltilik if (!(veri.equals("A") || veri.equals("B") || veri.equals("C") || veri.equals("D") || veri.equals("E") || veri .equals("F"))) { try { Integer.parseInt(veri); // sayiya donustur donusmezse // sayi // degil } catch (Exception ex) { return false; } } } } return durum; } public static void main(String[] args) { new ornek2(); } } |
teşekkürler.
java 1 hafta 4 ü de koyabilirseniz çok iyi olur hocam
sınıfta yapılan örneği ekliyorum, diğer uygulamalar blogda mevcut