java語言程序設(shè)計模擬題-資料下載頁
2025-06-07 13:35本頁面
【正文】 nstruct the appletpublic Picture(){}//Initialize the appletpublic void init() {setBackground( )。mycar =getImage(getCodeBase(),)。}//draw the imagepublic void paint(Graphics screen){( mycar,10,10,this)。}}import .*。import .*。public class Chp9_3_D extends Frame{TextField textField1,textField2。Button button1。public Chp9_3_D(){textField1=new TextField(30)。textField2=new TextField(30)。button1=new Button(轉(zhuǎn)換)。setLayout(new FlowLayout())。add(new Label(華氏溫度：))。add(textField1)。add(new Label(攝氏溫度：))。add(textField2)。(false)。add(button1)。setSize(400,300)。pack()。(new ActionListener(){public void actionPerformed(ActionEvent e){button1_actionPerformed(e)。}})。addWindowListener(new WindowAdapter(){public void windowClosing(WindowEvent e){(0)。}})。}public static void main(String[] args){new Chp9_3_D().setVisible(true)。}private void button1_actionPerformed(ActionEvent e){double d=(())。double h=*(d32)。(+h)。}}
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