java十进制转换为二进制、八进制和十六进制.doc

/*java十进制转换为二进制、八进制和十六进制*/import java.awt.*;import java.awt.event.*;import javax.swing.*;public class QueryJFrame extends JFrame implements ActionListener private JTextField text_char, text2, text8, text16;private MessageJDialog jdialog;private Button button_char;public QueryJFrame()super(进制转换);this.setBounds(300, 240, 200, 180);this.setResizable(false);this.setBackground(java.awt.Color.lightGray);this.setDefaultCloseOperation(EXIT_ON_CLOSE);this.getContentPane().setLayout(new FlowLayout(FlowLayout.RIGHT);this.getContentPane().add(new JLabel(十进制);text_char = new JTextField(10);text_char.setHorizontalAlignment(JTextField.RIGHT);this.getContentPane().add(text_char);this.getContentPane().add(new JLabel(二进制);text2 = new JTextField(10);text2.setHorizontalAlignment(JTextField.RIGHT);text2.setEditable(false);this.getContentPane().add(text2);this.getContentPane().add(new JLabel(八进制);text8 = new JTextField(10);text8.setHorizontalAlignment(JTextField.RIGHT);text8.setEditable(false);this.getContentPane().add(text8);this.getContentPane().add(new JLabel(十六进制);text16 = new JTextField(10);text16.setHorizontalAlignment(JTextField.RIGHT);text16.setEditable(false);this.getContentPane().add(text16);button_char = new Button(转换);this.add(button_char);button_char.addActionListener(this);jdialog = new MessageJDialog(this);this.setVisible(true);private class MessageJDialog extends JDialogJFrame jframe;JLabel jlabel;MessageJDialog(JFrame jframe)super(jframe, 提示, true);this.jframe = jframe;this.setSize(300, 80);jlabel = new JLabel(, JLabel.CENTER);this.getContentPane().add(jlabel);this.setDefaultCloseOperation(HIDE_ON_CLOSE);void show(String message)jlabel.setText(message);this.setLocation(jframe.getX() + 100, jframe.getY() + 100);this.setVisible(true);public void actionPerformed(ActionEvent e)tryint i = Integer.decode(text_char.getText();text2.setText(Integer.toBinaryString(i);text8.setText(Integer.toOctalString(i);text16.setText(Integer.toHexString(i);catch(NumberFormatException nfe)jdialo