java上机报告.doc

Java与面向对象程序设计上机报告（第11周） 班 级 10 学 号 姓 名 第一题： PP6.12 修改第5章的QuoteOptions程序，改变原来的用户界面视觉外观。将单选按钮纵向排列，同时围在一个边框内，并排在引用语标签的左侧。 提示：参考例题5.24　5.25 源程序： import java.awt.*; import javax.swing.*; public class QuoteOptions { public static void main (String[] args) { JFrame frame = new JFrame (Quote Options); frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE); QuoteOptionsPanel panel = new QuoteOptionsPanel(); frame.getContentPane().add (panel); frame.pack(); frame.setVisible(true); } } import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.border.*; public class QuoteOptionsPanel extends JPanel { private JLabel quote; private JRadioButton comedy, philosophy, carpentry; private String comedyQuote, philosophyQuote, carpentryQuote; //----------------------------------------------------------------- // Sets up a panel with a label and a set of radio buttons // that control its text. //----------------------------------------------------------------- public QuoteOptionsPanel() { setLayout(new GridLayout(1,2)); JFrame frame = new JFrame (Border Demo); frame.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE); JPanel panel = new JPanel(); panel.setLayout (new GridLayout (1, 2, 5, 10)); panel.setBorder (BorderFactory.createEmptyBorder (8, 8, 8, 8)); comedyQuote = Take my wife, please.; philosophyQuote = I think, therefore I am.; carpentryQuote = Measure twice. Cut once.; quote = new JLabel (comedyQuote); quote.setFont (new Font (Helvetica, Font.BOLD, 24)); comedy = new JRadioButton (Comedy, true); comedy.setBackground (Color.orange); philosophy = new JRadioButton (Philosophy); philosophy.setBackground (Color.orange); carpentry = new JRadioButton (Carpentry); carpentry.setBackground (Color.orange); ButtonGroup group = new ButtonGroup(); group.add (comedy);