更多"在下列Java Applet程序的下划线处填入代码,使程序完整并能够正"的相关试题:
[填空题]在下面Java applet程序的横线处填入代码,使程序完整并能够正确运行。
import java.awt. *:
import java.applet.*;
public class Greeting extends Applet {
public void ______ (Graphics g) {
g.drawString("how are you!",10,10);
}
}
[填空题]在下列Java applet程序的横线处填入代码,使程序完整并能够正确运行。
Import java.awt.*;
Import java.applet.*;
Public class Greeting extends applet
Public void______(Graphics g)
g.drawSting("how are you!",10,10)______
[填空题]在下面Java applet程序的横线处填入代码,使程序完整并能够正确运行。
import java.awt. *:
import java.applet.*;
public class Greeting extends Applet
public void ______ (Graphics g)
g.drawString("how are you!",10,10);
[填空题]
在下列Java applet 程序的横线处填入代码,使程序完整并能够正确运行。
Import java. awt. *;
Import java. applet. *;
Public class Greeting extends applet{
Public void 【8】 (Graphics g) {
g.drawSting(“how are you!”,10,10);
}
}
[单项选择]下列代码的下划线处应填入的方法名是
import java.applet.*;
import java.awt.*;
public class Hello extends Applet {
public void ________(Graphics g){
g.drawString("How are you!", 10, 10);
}
}
A. repaint
B. println
C. paint
D. show
[填空题]在下列Java Applet程序的下划线处填入代码,使程序三整并能够正确运行。
importjava.applet.*;
importjava.awt.*;
publicclassHelloWofil______
publicvoidpaint(Graphicsg)
g.drawstring("HelloWorld!",25,25);
[填空题]在下列Java Applet程序的下画线处填入代码,使程序完整并能够正确运行。
import java.applet.*;
import java.awt.*;
public class HelloWorld______
public void paint(Graphics g)
g.drawString("Hello World!",25,25);
[单项选择]有如下applet代码:
import java.applet.*;
import java.awt.*;
public class MyApplet extends Applet
AA s;
public void int( )
s = new AA("Hello!", "I love JAVA.");
public void paint(Graphics g)
g.drawString(s.toString( ), 30, 50);
class AA
String s1;
String s2;
AA(String str1, String str2)
s1 = str1;
s2 - str2;
public String toString( )
return s1 + s2;
运行后,窗口上将会出现什么,选择一个正确答案______。
A. Hello!
B. B.I love JAV
C. C.Hello! I love JAV
D. 什么都没有
[填空题]请在下划线处填入代码,使程序能够正确运行。 import java .awt.*; import java .applet.*; public class SayHi extends Applet{ public void【15】(Graphics g){ g .drawString(“Hi!”20,20); } }
[简答题]下面的代码实现一个简单的Applet:
import java.applet.Applet;
import java.awt.*;
public class Sample extends Applet
private String text="Hello World";
public void init( )
add(new Label(text));
public Sample(String string)
text=string;
通过下面的HTML文件访问:
<html>
<title>Sample Applet</title>
<body>
<applet code="Sample.class"width=200 height=200></applet>
</body>
</html>
当编译和运行该小程序时会出现什么结果,请选择正确的答案。( )
[简答题]阅读下列程序,写出程序功能。
import java.applet.*;
import java. awt.*;
import java. awt. event.*;
public class C3601 extends Applet implements ActionListener
AudioClip clip;
Button buttonPlay,buttonLoop,buttonStop;
public void init( )
clip=getAudioClip(getCodeBase( ),"1.wav");
buttonPlay=new Button("start");
buttonLoop=new Button("loop");
buttonStop=new Button("stop");
buttonPlay. addActionListener(this);
buttonStop.addActionListener(this);
buttonLoop. addActionListener(this);
setSize(300,100);
add(buttonPlay);add(buttonLoop);add(buttonStop);
public void stop( )
clip.stop( );
public void actionPerformed(ActionEvent e)
if(e.get.Source( )==buttonPlay)clip.play( );
else if(e. getSource( )==buttonLoop)clip.loop( );
if(e. getSource( )==buttonStop)clip. stop( );
[简答题]
【Java代码】
import javA.awt.*;
import javA.applet;
public class HelloApplet extends (1) {
public void paim( (2) ){
g.drawString(message,10,20);
message="welcome back!”;
}
public void (3) ( ){
message="Welcome!”;
}
private (4) message;
}
【HTML文档】
<html>
<head>
<title>HTML Test HelloApplet Page</title>
</head>
<body>
Test HelloApplet小程序<br>
<applet
codebase="."
code=" (5) "
name="TestApplet"
width="400"
height="300"
>
</applet>
</body>
</html>
[填空题]
清在下划线处填入代码,使程序正常运行并且输出“Hello!”
classTesl______{
publicstaticvoidmain(string[]args){
Test=newTest( );
t.start( );
}
Pubhcvoidrun( ){
System.out.println("Hello!");
}
}
[单项选择]
阅读下面Applet程序
import javax. swing. *;
import java. awt. *;
public class SwintgApplet extends JApplet{
JLabel 1=new JLabel("This is a Swing Applet.");
public void init( ){
________________________________
}
}
在程序下画线处填入正确的选项是()
A. Container contentPane=getContenPane(); cotentPan add(1);
B. JPanel comtenPane=new Jpane(); contentPan add(1);
C. contentPan add(1);
D. add(1);
[填空题]下面程序构造了一个Swing Applet,在下画线处填入正确的代码。
import javax.swing.*;
import java.awt.*;
public class SwingApplet extends ______ {
JLabel 1=new JLabel("This is a Swing Applet.");
public void init( ) {
Container contentPane=getContentPane( );
contentPane.add(1);
}
}
[填空题]
下列程序构造了一个SwingApplet,请在下划线处填入正确的代码:
import javax.swing0*;
impon java.awt.*;
public class SwingAppletextends______{
JLabell=newJLabel("ThisisaSwingApplet.");
publicvoidinit( ){
ContainercontentPane=getContentPane( );
contentPane.add(1);
}
}