java/Kalkulator/src/Kalkulator/Kalkulator.java

   1 package Kalkulator;
   2
   3 import javax.swing.*;
   4
   5 /**
   6  * This example shows how to create GUI application which can be run both
   7  * as HTML embeded web applet and as standalone application
   8  * @author harvie
   9  */
  10
  11 class AppGui extends JPanel {
  12     AppGui() {
  13         setLayout(new java.awt.GridLayout(0, 2));
  14
  15         JLabel lblVklad = new JLabel("vklad");
  16         final JTextField txtVklad = new JTextField();
  17
  18         JLabel lblMira = new JLabel("urok. mira");
  19         final JTextField txtMira = new JTextField();
  20
  21         JLabel lblRoky = new JLabel("pocet let");
  22         final JTextField txtRoky = new JTextField();
  23
  24         JButton btnGo = new JButton("Go");
  25         final JLabel lblCelkem = new JLabel("zadej data");
  26
  27         add(lblVklad);
  28         add(txtVklad);
  29         add(lblMira);
  30         add(txtMira);
  31         add(lblRoky);
  32         add(txtRoky);
  33         add(btnGo);
  34         add(lblCelkem);
  35
  36         btnGo.addActionListener(new java.awt.event.ActionListener() {
  37             public void actionPerformed(java.awt.event.ActionEvent evt) {
  38                 double v = new Double(txtVklad.getText());
  39                 double u = new Double(txtMira.getText());
  40                 double r = new Double(txtRoky.getText());
  41                 for(;r>0;r--) v += v*(u/100);
  42                 lblCelkem.setText(v+"");
  43             }
  44         });
  45     }
  46 }
  47
  48 public class Kalkulator extends JApplet {
  49
  50     public void init() {
  51         getContentPane().add(new AppGui());
  52     }
  53
  54     public static void main(String[] args) {
  55         JFrame f = new JFrame("Applet window");
  56         f.setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
  57         f.setSize(640,480);
  58         f.getContentPane().add(new AppGui());
  59         f.setVisible(true);
  60     }
  61
  62     // TODO overwrite start(), stop() and destroy() methods
  63 }