Java2实用教程（第二版）程序代码——第十五章 建立窗口和菜单

1//例子1
2import java.awt.*;import java.awt.event.*;
3class MyFrame extends Frame implements ItemListener,ActionListener
4class Example15_1
33
38//例子2
39import java.awt.*;import java.awt.event.*;
40class MyFrame extends Frame implements ItemListener,ActionListener
41class Example15_2
70
75//例子3
76import java.awt.*;import java.awt.event.*;
77class 圆 extends Panel implements ActionListener//负责计算圆面积的类。
78class 三角形 extends Panel implements ActionListener//负责计算三角形面积的类。
104class Win extends Frame implements ActionListener
136public class Example15_3
165
175//例子4
176import java.awt.*;import java.awt.event.*;
177class Herwindow extends Frame implements ActionListener
178public class Example15_4
198
203//例子5
204import java.awt.*;import java.awt.event.*;
205class MyFrame extends Frame implements WindowListener
206class Example15_5
241
246//例子6
247import java.awt.*;import java.awt.event.*;
248class MyFrame extends Frame
249class Boy extends WindowAdapter
259class Example15_6
271
276//例子7
277import java.awt.*;import java.awt.event.*;
278class MyFrame extends Frame
279class Example15_7
297
302//例子8
303import java.applet.*;import java.awt.*;import java.awt.event.*;
304public class Example15_8 extends Applet
305
325//例子9
326import java.awt.*;import java.awt.event.*;
327public class Example15_9
328class MyFrame extends Frame implements ActionListener
334
387//例子10
388import java.awt.*;import java.awt.event.*;
389import java.awt.datatransfer.*;
390public class Example15_10 extends Frame implements ActionListener
391