📄 question_6.htm
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<p class=MsoNormal align=center style='text-align:center;mso-layout-grid-align:
none;text-autospace:none'><span style='mso-bidi-font-size:10.5pt;font-family:
宋体;mso-hansi-font-family:"MS Sans Serif"'>图</span><span lang=EN-US
style='mso-bidi-font-size:10.5pt'>4<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>*/<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>public class ex5_6 extends JApplet
{<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>JButton jb = new JButton("Add
Text");<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>JTextPane jtp = new JTextPane();<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>public void init() {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>jb.addActionListener(new
ActionListener() {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>public void actionPerformed(ActionEvent
e){<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>for(int i = 1; i < 10; i++)<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><u><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><span style="mso-spacerun:
yes"> </span>(1)<span style="mso-spacerun: yes"> </span></span></u><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>+ "Welcome to China!</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>＼</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>n");<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"Times New Roman"'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:
"Times New Roman"'>}</span><span lang=EN-US style='mso-bidi-font-size:10.5pt'>);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>Container cp =<u><span
style="mso-spacerun: yes"> </span>(2)<span style="mso-spacerun:
yes"> </span></u>;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>cp.add(new JScrollPane(jtp));<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>cp.add(<u><span
style="mso-spacerun: yes"> </span>(3)<span style="mso-spacerun:
yes"> </span></u>);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>public static void main(String</span><span
style='mso-bidi-font-size:10.5pt;font-family:宋体;mso-hansi-font-family:"Times New Roman"'>［］</span><span
lang=EN-US style='mso-bidi-font-size:10.5pt'> args) {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>ex5_6 obj5_6=new ex5_6();<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>String str =
obj5_6.getClass().toString();<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>if(str.indexOf("class")
!=-1)<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>str = str.substring<u><span
style="mso-spacerun: yes"> </span>(6)<span style="mso-spacerun:
yes"> </span></u>;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>JFrame frm = new JFrame(str);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>frm.addWindowListener(new <u><span
style="mso-spacerun: yes"> </span>(4)<span style="mso-spacerun:
yes"> </span></u></span><span lang=EN-US style='mso-bidi-font-size:10.5pt;
font-family:宋体;mso-hansi-font-family:"Times New Roman"'>{<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>public void
windowClosing(WindowEvent we) {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>System.exit(0);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>});<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><u><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><span style="mso-spacerun:
yes"> </span>(5)<span style="mso-spacerun: yes"> </span></span></u><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>.add(ex5_6);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>frm.setSize(300, 400);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>frm.setVisible(true);<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>}<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'>ex5_6.html<o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><HTML><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><HEAD><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
lang=EN-US style='mso-bidi-font-size:10.5pt'><TITLE>ex5_6</TITLE><o:p></o:p></span></p>
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1'> </span>code="ex5_6.class" width=800 height=400
><o:p></o:p></span></p>
<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
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