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在脚本：pp.add Event Listener（Mouse Event.CLICK，AA）；中，CLICK所代表的是（）
- A、函数名
- B、实例名
- C、事件名
- D、变量名
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Whichtwotriggersaremousemovementtriggers?()
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Which statements concerning the event model of the AWT are true？（） A、At most one listener of each type can be registered with a component.B、Mouse motion listeners can be registered on a List instance.C、There exists a class named ContainerEvent in package java.awt.event.D、There exists a class named MouseMotionEvent in package java.awt.event.E、There exists a class named ActionAdapter in package java.awt.event.
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单选题Which statement is true about mouse events? （）A
The cursor style can be set to CAUTION. B
Double-clicking a mouse button can potentially fire six mouse event triggers. C
The values for the SYSTEM.MOUSE_BUTTON_PRESSED system variable can only be 1 or 2. D
Click and double-click button actions can only detect if the mouse is positioned in an item.
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Create an HttpSessionAttributeListener class and implement the attributeDeleted method and log the attribute name using the getName method on the event object.B
Create an HttpSessionAttributeListener class and implement the attributeRemoved method and log the attribute name using the getName method on the event object.C
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多选题Which statements concerning the event model of the AWT are true？（）AAt most one listener of each type can be registered with a component.BMouse motion listeners can be registered on a List instance.CThere exists a class named ContainerEvent in package java.awt.event.DThere exists a class named MouseMotionEvent in package java.awt.event.EThere exists a class named ActionAdapter in package java.awt.event.
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单选题How can you create a listener class that receives events when the mouse is moved？（）A
By extending MouseListener.B
By implementing MouseListener.C
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By implementing MouseMotionListener.E
Either by extending MouseMotionListener or extending MouseListener.F
Either by implementing MouseMotion Listener or implementing MouseListener.
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the Map Listener running within a Partitioned CacheD
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A USB mouse uses less powerB
A USB mouse is more portableC
A USB mouse is hot swappableD
A USB mouse is more secure
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单选题下列代码中的内部类名是（ ）。import java.awt.event.*;
import javax.swing.*;
class TalkingClock{
public void start(int interval,final boolean beep){
ActionListener listener=new ActionListener(){
public void actionPerformed(ActionEvent event){
……
}
}
Timer t=new Timer(interval,listener);
t.start();
}
}A
TimerB
ActionListenerC
listenerD
匿名
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单选题Given the following six method names： add Listener add Mouse Listener set Mouse Listener delete Mouse Listener remove Mouse Listener register Mouse Listener How many of these method names follow JavaBean Listener naming rules？（）A
1B
2C
3D
4
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