单选题What will be the appearance of an applet with the following init() method?   public void init() {   add(new Button("hello"));  }ANothing appears in the applet.BA button will cover the whole area of the applet.CA button will appear in the top left corner of the applet.DA button will appear, centered in the top region of the applet.EA button will appear in the center of the applet.

单选题
What will be the appearance of an applet with the following init() method?   public void init() {   add(new Button("hello"));  }
A

Nothing appears in the applet.

B

A button will cover the whole area of the applet.

C

A button will appear in the top left corner of the applet.

D

A button will appear, centered in the top region of the applet.

E

A button will appear in the center of the applet.


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多选题import java.awt.*;    import java.applet.*;    public class ButtonDemo extends Applet{    public void init(){  Button pushButton=new Button(“ok”);  Button downButton=new Button(“Yess”);  add(pushButton);  add(downButton);  }  }  根据以上代码,下列解释正确的是()A该代码画了一个按钮BButton(“ok”)创建了一个有显示“ok”的按钮CButton()是构造函数D按钮属于容器

单选题在Java语言中,一个Applet具有如下init()方法: public void init(){  setLayout(new  BorderLayout());  add(BorderLayout.EAST,  new Button(“Click ME!”));} 当该Applet载入时,用户外观将是()。A没有任何内容B居中位置有个按钮C左边有个按钮D右边有个按钮E一个按钮填充整个用户界面上

单选题You use Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a Button control for the application. You need to ensure that the application meets the following requirements: When the mouse pointer is over the Button control, the background color of the button is set to red and the Button control appears bigger. When the mouse pointer is not over the Button control, the button returns to its original state. What should you do?()ACreate a template. Declare a VisualState element in the template.BCreate a StoryBoard animation. Add an EventTrigger class to the Button control that begins the StoryBoard animation.CCreate a ScaleTransform class. Bind the ScaleX and ScaleY properties of the Button control to the Background property by using a custom value converter.DAdd a method named ChangeAppearance in the code-behind file. Subscribe the ChangeAppearance method to the MouseEnter event of the Button control.

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