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JavaTM 2 Platform Standard Ed. 5.0 |
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java.lang.Objectjava.awt.Component
public abstract class Component
component ÊÇÒ»¸ö¾ßÓÐͼÐαíʾÄÜÁ¦µÄ¶ÔÏ󣬿ÉÔÚÆÁÄ»ÉÏÏÔʾ£¬²¢¿ÉÓëÓû§½øÐн»»¥¡£µäÐÍͼÐÎÓû§½çÃæÖеİ´Å¥¡¢¸´Ñ¡¿òºÍ¹ö¶¯Ìõ¶¼ÊÇ×é¼þʾÀý¡£
Component ÊÇÓë²Ëµ¥²»Ïà¹ØµÄ Abstract Window Toolkit ×é¼þµÄ³éÏó³¬Àà¡£»¹¿ÉÒÔÖ±½ÓÀ©Õ¹Àà Component À´´´½¨Ò»¸öÇáÁ¿×é¼þ¡£ÇáÁ¿×é¼þÊÇÓë±¾»ú²»Í¸Ã÷´°¿Ú²»Ïà¹ØµÄ×é¼þ¡£
Serializable ÐÒéµÄ AWT ÕìÌýÆ÷£¬×¢ÒâÕâÒ»µãºÜÖØÒª¡£Èç¹û¾ßÓÐÕìÌýÆ÷µÄ AWT ¶ÔÏóδ±ê¼ÇΪ¿ÉÐòÁл¯£¬ÔòÔÚ writeObject ʱ½«»á±»¶ªÆú¡£¿ª·¢ÈËԱʼÖÕÐèÒª¿¼ÂÇÐòÁл¯¶ÔÏóµÄÒâÒå¡£ÐèҪעÒâµÄÒ»ÖÖÇéÐÎÊÇ£º
import java.awt.*;
import java.awt.event.*;
import java.io.Serializable;
class MyApp implements ActionListener, Serializable
{
BigObjectThatShouldNotBeSerializedWithAButton bigOne;
Button aButton = new Button();
MyApp()
{
// Oops, now aButton has a listener with a reference
// to bigOne!
aButton.addActionListener(this);
}
public void actionPerformed(ActionEvent e)
{
System.out.println("Hello There");
}
}
ÔÚ´ËʾÀýÖУ¬Í¨¹ý aButton ×ÔÉí½øÐÐÐòÁл¯»áʹµÃ MyApp ¼°ÆäÒýÓõÄËùÓÐÄÚÈÝÒ²¶¼±»ÐòÁл¯¡£ÎÊÌâÊÇ£¬Ô±¾Ã»´òËãÐòÁл¯µÄÕìÌýÆ÷Ò²±»Í¬Ê±ÐòÁл¯ÁË¡£Îª·Ö±ðÅÐ¶Ï MyApp ºÍ ActionListener ÊÇ·ñ¿ÉÐòÁл¯£¬¿ÉʹÓÃÒ»¸öǶÌ×À࣬ÈçÏÂÃæÊ¾ÀýËùʾ£º
import java.awt.*;
import java.awt.event.*;
import java.io.Serializable;
class MyApp java.io.Serializable
{
BigObjectThatShouldNotBeSerializedWithAButton bigOne;
Button aButton = new Button();
class MyActionListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
System.out.println("Hello There");
}
}
MyApp()
{
aButton.addActionListener(new MyActionListener());
}
}
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protected class |
Component.AccessibleAWTComponent
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protected class |
Component.BltBufferStrategy
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protected |
Component()
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boolean |
action(Event evt,
Object what)
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void |
add(PopupMenu popup)
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void |
addComponentListener(ComponentListener l)
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void |
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void |
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void |
addHierarchyListener(HierarchyListener l)
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void |
addInputMethodListener(InputMethodListener l)
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void |
addKeyListener(KeyListener l)
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void |
addMouseListener(MouseListener l)
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void |
addMouseMotionListener(MouseMotionListener l)
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void |
addMouseWheelListener(MouseWheelListener l)
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void |
addNotify()
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void |
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void |
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void |
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boolean |
areFocusTraversalKeysSet(int id)
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Rectangle |
bounds()
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int |
checkImage(Image image,
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int |
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protected AWTEvent |
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boolean |
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boolean |
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Image |
createImage(ImageProducer producer)
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Image |
createImage(int width,
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VolatileImage |
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int height)
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createVolatileImage(int width,
int height,
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void |
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void |
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void |
dispatchEvent(AWTEvent e)
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doLayout()
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void |
enableInputMethods(boolean enable)
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protected void |
firePropertyChange(String propertyName,
boolean oldValue,
boolean newValue)
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void |
firePropertyChange(String propertyName,
byte oldValue,
byte newValue)
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void |
firePropertyChange(String propertyName,
char oldValue,
char newValue)
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void |
firePropertyChange(String propertyName,
double oldValue,
double newValue)
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void |
firePropertyChange(String propertyName,
float oldValue,
float newValue)
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protected void |
firePropertyChange(String propertyName,
int oldValue,
int newValue)
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void |
firePropertyChange(String propertyName,
long oldValue,
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protected void |
firePropertyChange(String propertyName,
Object oldValue,
Object newValue)
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void |
firePropertyChange(String propertyName,
short oldValue,
short newValue)
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AccessibleContext |
getAccessibleContext()
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float |
getAlignmentX()
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float |
getAlignmentY()
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Color |
getBackground()
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Rectangle |
getBounds()
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Rectangle |
getBounds(Rectangle rv)
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ColorModel |
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Component |
getComponentAt(int x,
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Component |
getComponentAt(Point p)
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ComponentListener[] |
getComponentListeners()
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ComponentOrientation |
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Cursor |
getCursor()
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getDropTarget()
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Container |
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FocusListener[] |
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Set<AWTKeyStroke> |
getFocusTraversalKeys(int id)
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boolean |
getFocusTraversalKeysEnabled()
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Font |
getFont()
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getFontMetrics(Font font)
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int |
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HierarchyBoundsListener[] |
getHierarchyBoundsListeners()
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HierarchyListener[] |
getHierarchyListeners()
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boolean |
getIgnoreRepaint()
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InputContext |
getInputContext()
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InputMethodListener[] |
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InputMethodRequests |
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KeyListener[] |
getKeyListeners()
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|
getListeners(Class<T> listenerType)
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Locale |
getLocale()
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Point |
getLocation()
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Point |
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Point |
getLocationOnScreen()
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Dimension |
getMaximumSize()
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Dimension |
getMinimumSize()
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MouseListener[] |
getMouseListeners()
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MouseMotionListener[] |
getMouseMotionListeners()
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Point |
getMousePosition()
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MouseWheelListener[] |
getMouseWheelListeners()
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String |
getName()
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Container |
getParent()
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java.awt.peer.ComponentPeer |
getPeer()
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Dimension |
getPreferredSize()
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PropertyChangeListener[] |
getPropertyChangeListeners()
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PropertyChangeListener[] |
getPropertyChangeListeners(String propertyName)
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Dimension |
getSize()
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Dimension |
getSize(Dimension rv)
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Toolkit |
getToolkit()
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