上機實驗報告源代碼

1、class People protected double weight,height; public void speakHello() System.out.println("yayawawa"); public void averageHeight() height=173; System.out.println("average height:"+height); public void averageWeight() weight=70; System.out.println("average weight:"+weight

2、); class ChinaPeople extends People public void speakHello() System.out.println("你好，吃飯了嗎？"); public void averageHeight() height=173.0; System.out.println("中國人的average height:"+height); public void averageWeight() weight=67.34; System.out.println("中國人的average weight:"+we

3、ight); public void chinaGongfu() System.out.println("坐如鐘，站如松，睡如弓"); class AmericanPeople extends People public void speakHello() System.out.println("How do you do"); public void averageHeight() height=188.0; System.out.println("American average height:"+height); public

4、void averageWeight() weight=80.23; System.out.println("American average weight:"+weight); public void americanBoxing() System.out.println("直拳，鉤拳"); class BeijingPeople extends ChinaPeople public void speakHello() System.out.println("您好"); public void aversageHeight() he

5、ight=167.0; System.out.println("北京人的average height:"+height); public void averageWeight() weight=68.5; System.out.println("北京人的average weight:"+weight); public void beijingOpera() System.out.println("京劇術語"); public class Example public static void main(String args) Chin

6、aPeople chinaPeople=new ChinaPeople(); AmericanPeople americaPeople=new AmericanPeople(); BeijingPeople beijingPeople=new BeijingPeople(); chinaPeople.speakHello(); americanPeople.speakHello(); beijingPeople.speakHello(); americanPeople.averageHeight(); beijingPeople.averageHeight(); chinaPeople.ave

7、rageWeight(); americanPeople.averageWeight(); beijingPeople.averageWeight(); chinaPeople.chinaGongfu(); americaPeople.americanBoxing(); beijingPeople.beijingOpera(); beijingPeople.chinaGongfu(); import java.awt.*;import java.awt.event.*;public class ComputerFrame extends Frame implements ActionListe

8、ner TextField textOne,textTwo,textResult; Button getProblem,giveAnwser; Label operatorLabel,message; Teacher teacher; ComputerFrame(String s) super(s); teacher=new Teacher(); setLayout(new FlowLayout(); textOne=new TextField(10); textTwo=new TextField(10); textResult=new TextField(10); operatorLabel

9、=new Label("+"); message=new Label("你還沒有回答呢"); getProblem=new Button("獲取題目"); giveAnwser=new Button("確認答案"); add(getProblem); add(textOne); add(operatorLabel); add(textTwo); add(new Label("="); add(textResult); add(giveAnwser); add(message); textResu

10、lt.requestFocus(); textOne.setEditable(false); textTwo.setEditable(false); getProblem.addActionListener(this); giveAnwser.addActionListener(this); textResult.addActionListener(this); setBounds(100,100,450,100); setVisible(true); validate(); addWindowListener(new WindowAdapter() public void windowClo

11、sing(WindowEvent e) System.exit(0); ); public void actionPerformed(ActionEvent e) if(e.getSource()=getProblem) int number1=teacher.giveNumberOne(100); int number2=teacher.giveNumberTwo(100); String operator=teacher.giveOperator(); textOne.setText(""+number1); textTwo.setText(""+n

12、umber2); operatorLabel.setText(operator); message.setText("請回答"); textResult.setText(null); if(e.getSource()=giveAnwser) String answer=textResult.getText(); try int result=Integer.parseInt(answer); if(teacher.getRight(result)=true) message.setText("你回答正確"); else message.setText(&

13、quot;你回答錯誤"); catch(NumberFormatException ex) message.setText("請輸入數(shù)字字符"); textResult.requestFocus(); validate(); public class Teacher int numberOne,numberTwo; String operator=" " boolean right; public int giveNumberOne(int n) numberOne=(int)(Math.random()*n)+1; return number

14、One; public int giveNumberTwo(int n) numberTwo=(int)(Math.random()*n)+1; return numberTwo; public String giveOperator() double d=Math.random(); if(d>=0.5) operator="+" else operator="-" return operator; public boolean getRight(int answer) if(operator.equals("+") if(a

15、nswer=numberOne+numberTwo) right=true; else right=false; else if(operator.equals("-") if(answer=numberOne-numberTwo) right=true; else right=false; return right; public class MainClass public static void main(String args) ComputerFrame frame; frame=new ComputerFrame("算術測試"); WordT

16、hread.javaimport java.awt.*;public class WordThread extends Thread char word; int k=19968; Label com; WordThread(Label com) =com; public void run() k=19968; while(true) word=(char)k; com.setText(""+word); try sleep(6000); catch(InterruptedException e) k+; if(k>=29968) k=19968; ThreadFra

17、me.javaimport java.awt.*;import java.awt.event.*;public class ThreadFrame extends Frame implements ActionListener Label wordLabel; Button button; TextField inputText,scoreText; WordThread giveWord; int score=0; ThreadFrame() wordLabel=new Label(" ",Label.CENTER); wordLabel.setFont(new Font

18、("",Font.BOLD,72); button=new Button("開始"); inputText=new TextField(3); scoreText=new TextField(5); scoreText.setEditable(false); giveWord=new WordThread(wordLabel); button.addActionListener(this); inputText.addActionListener(this); add(button,BorderLayout.NORTH); add(wordLabel,B

19、orderLayout.CENTER); Panel southP=new Panel(); southP.add(new Label("輸入標簽所顯示的漢字后回車:"); southP.add(inputText); southP.add(scoreText); add(southP,BorderLayout.SOUTH); setBounds(100,100,350,180); setVisible(true); validate(); addWindowListener(new WindowAdapter() public void windowClosing(Win

20、dowEvent e) System.exit(0); ); public void actionPerformed(ActionEvent e) if(e.getSource()=button) if(!(giveWord.isAlive() /giveWord調(diào)用方法isAlive() giveWord=new WordThread(wordLabel); try giveWord.start(); catch(Exception exe) else if(e.getSource()=inputText) if(inputText.getText().equals(wordLabel.ge

21、tText() score+; scoreText.setText("得分:"+score); inputText.setText(null); WordThread.javapublic class ThreadWordMainClass public static void main(String args) new ThreadFrame(); ReadZipimport java.io.*;import java.util.zip.*;public class ReadZipFile public static void main(String args) File

22、("book.zip"); File("Book"); byte b=new byte100; dir.mkdir(); try ZipInputStream in=new ZipInputStream(new (f); ZipEntry zipEntry=null; while(zipEntry=in.getNextEntry()!=null) (); out=new (file); int n=-1; System.out.println()+"的內(nèi)容："); while(n=in.read(b,0,100)!=-1) Strin

23、g str=new String(b,0,n); System.out.println(str); out.write(b,0,n); out.close(); in.close(); catch(IOException ee) System.out.println(ee); Readimport java.awt.*;import java.awt.event.*;impor.*;import java.io.*;public class ReadURLSource public static void main(String args) new NetWin(); class NetWin

24、 extends Frame implements ActionListener,Runnable Button button; URL url; TextField text; TextArea area; byte b=new byte118; Thread thread; NetWin() text=new TextField(20); area=new TextArea(12,12); button=new Button("確定"); button.addActionListener(this); thread=new Thread(this); Panel p=n

25、ew Panel(); p.add(new Label("輸入網(wǎng)址:"); p.add(text); p.add(button); add(area,BorderLayout.CENTER); add(p,BorderLayout.NORTH); setBounds(60,60,360,300); setVisible(true); validate(); addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) System.exit(0); ); public void

26、actionPerformed(ActionEvent e) if(!(thread.isAlive() thread=new Thread(this); try thread.start(); catch(Exception ee) text.setText("我正在讀取"+url); public void run() try int n=-1; area.setText(null); String name=text.getText().trim(); url=new URL(name); String hostName= url.getHost(); int url

27、PortNumber= url.getPort(); String url.getFile(); InputStream in= url.openStream(); area.append("n主機:"+hostName+"端口:"+urlPortNumber+"包含的文件名字:"+); area.append("n文件的內(nèi)容如下:"); while(n=in.read(b)!=-1) String s=new String(b,0,n); area.append(s); catch(MalformedURLException e1) text.setText(""+e1); return; catch(IOException e1) text.setText(""+e1); return; import java.util.*;public class E