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  1. import java.awt.*;
  2. import java.awt.event.*;
  3. import java.util.*;
  4.  
  5. public class TicketPrice extends Frame implements ActionListener {
  6. 	Label          price = new Label();
  7.  
  8. 	CheckboxGroup  cbg = new CheckboxGroup();
  9.  
  10. 	String[]  cf1 = {
  11. 		"子供",
  12. 		"学生",
  13. 		"一般"
  14. 	};
  15.  
  16. 	String[]  cf2 = {
  17. 		"一般",
  18. 		"3D",
  19. 		"映画の日"
  20. 	};
  21.  
  22. 	Map<String, Map<String, Integer>>  priceMap = new HashMap<String, Map<String, Integer>>() {
  23. 		{
  24. 			put(cf1[0], new HashMap<String, Integer>() {
  25. 				{
  26. 					put(cf2[0], 1000);
  27. 					put(cf2[1], 1400);
  28. 					put(cf2[2], 1000);
  29. 				}
  30. 			});
  31. 			put(cf1[1], new HashMap<String, Integer>() {
  32. 				{
  33. 					put(cf2[0], 1500);
  34. 					put(cf2[1], 1900);
  35. 					put(cf2[2], 1100);
  36. 				}
  37. 			});
  38. 			put(cf1[2], new HashMap<String, Integer>() {
  39. 				{
  40. 					put(cf2[0], 1800);
  41. 					put(cf2[1], 2200);
  42. 					put(cf2[2], 1100);
  43. 				}
  44. 			});
  45. 		}
  46. 	};
  47.  
  48. 	public void actionPerformed(ActionEvent e) {
  49. 		String cbl = cbg.getSelectedCheckbox().getLabel();
  50. 		String bl = ((Button) e.getSource()).getLabel();
  51. 		price.setText(priceMap.get(cbl).get(bl) + "円");
  52. 	}
  53.  
  54. 	public TicketPrice() {
  55. 		super("映画料金");
  56.  
  57. 		setSize(400, 150);
  58. 		setLayout(new GridLayout(3, 3));
  59.  
  60. 		for (int i = 0; i < cf1.length; i++)
  61. 			add(new Checkbox(cf1[i], cbg, i == 0));
  62.  
  63. 		for (int i = 0; i < cf2.length; i++) {
  64. 			Button b = new Button(cf2[i]);
  65. 			b.addActionListener(this);
  66. 			add(b);
  67. 		}
  68.  
  69. 		add(new Label("料金"));
  70. 		add(price);
  71.  
  72. 		addWindowListener(new WindowAdapter() {
  73. 			public void windowClosing(WindowEvent e) {
  74. 				System.exit(0);
  75. 			}
  76. 		});
  77.  
  78. 		setVisible(true);
  79. 	}
  80.  
  81. 	public static void main(String[] args) {
  82. 		new TicketPrice();
  83. 	}
  84. }
Runtime error #stdin #stdout #stderr 0.23s 35204KB
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Standard input is empty
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Exception in thread "main" java.awt.HeadlessException: 
No X11 DISPLAY variable was set, but this program performed an operation which requires it.
	at java.awt.GraphicsEnvironment.checkHeadless(GraphicsEnvironment.java:204)
	at java.awt.Window.<init>(Window.java:536)
	at java.awt.Frame.<init>(Frame.java:420)
	at TicketPrice.<init>(Main.java:55)
	at TicketPrice.main(Main.java:82)
https://ideone.com/QSlgGs
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
secret

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