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Nov 13th, 2019
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  1. package lab6;
  2.  
  3. import java.awt.Dimension;
  4. import java.awt.FlowLayout;
  5. import java.awt.GridLayout;
  6.  
  7. import javax.swing.JButton;
  8. import javax.swing.JFrame;
  9. import javax.swing.JLabel;
  10. import javax.swing.JPanel;
  11. import javax.swing.JTextArea;
  12. import javax.swing.JTextField;
  13.  
  14. public class MainApp {
  15.  
  16. public static void main(String[] args) {
  17. // TODO Auto-generated method stub
  18. JFrame frame=new JFrame("Calculator");
  19. frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  20. frame.setSize(350,350);
  21. frame.setLocation(400,400);
  22. frame.getContentPane().setLayout(new GridLayout(3,1));
  23. JPanel p1=new JPanel(new FlowLayout());
  24. JLabel oplabel1=new JLabel("Operand 1");
  25. oplabel1.setPreferredSize(new Dimension(120,20));
  26. JTextField tf1=new JTextField();
  27. tf1.setPreferredSize(new Dimension(120,20));
  28. JLabel oplabel2=new JLabel("Operand 2");
  29. oplabel2.setPreferredSize(new Dimension(120,20));
  30. JTextField tf2=new JTextField();
  31. tf2.setPreferredSize(new Dimension(120,20));
  32. p1.add(oplabel1);
  33. p1.add(tf1);
  34. p1.add(oplabel2);
  35. p1.add(tf2);
  36.  
  37. JTextArea rez=new JTextArea();
  38. rez.setPreferredSize(new Dimension(220,60));
  39. JPanel p2=new JPanel(new FlowLayout());
  40. JButton adnbtn=new JButton("adunare");
  41. adnbtn.setPreferredSize(new Dimension(120,20));
  42. adnbtn.addActionListener(new Adunare(tf1,tf2,rez));
  43.  
  44. JButton scdbtn=new JButton("scadere");
  45. scdbtn.setPreferredSize(new Dimension(120,20));
  46. scdbtn.addActionListener(new Scadere(tf1,tf2,rez));
  47.  
  48. JButton mulbtn=new JButton("inmultire");
  49. mulbtn.setPreferredSize(new Dimension(120,20));
  50. mulbtn.addActionListener(new Inmultire(tf1,tf2,rez));
  51.  
  52. JButton impbtn=new JButton("impartire");
  53. impbtn.setPreferredSize(new Dimension(120,20));
  54. impbtn.addActionListener(new Impartire(tf1,tf2,rez));
  55. p2.add(adnbtn);
  56. p2.add(scdbtn);
  57. p2.add(mulbtn);
  58. p2.add(impbtn);
  59.  
  60. JPanel p3=new JPanel(new FlowLayout());
  61. JButton clear=new JButton("clear");
  62. clear.addActionListener(new Clear(rez));
  63. clear.setPreferredSize(new Dimension(220,30));
  64. p3.add(rez);
  65. p3.add(clear);
  66. frame.getContentPane().add(p1);
  67. frame.getContentPane().add(p2);
  68. frame.getContentPane().add(p3);
  69. frame.setVisible(true);
  70. }
  71.  
  72. }
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