Event object and who create it?

Hi all:
i am using JAVA to create application . What really confusing me is that WHERE all event objects come from, who creates them and if there is any document about it?
thanks a lot.

http://java.sun.com/docs/books/tutorial/uiswing/overview/event.html

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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Blocks extends JPanel {
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    private void initBlocks() {
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        getInputMap().put(KeyStroke.getKeyStroke("LEFT"), "LEFT");
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        getInputMap().put(KeyStroke.getKeyStroke("DOWN"), "DOWN");
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        getInputMap().put(KeyStroke.getKeyStroke("RIGHT"), "RIGHT");
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    private void step(int x, int y) {
        for(int j = 0; j < blocks.length; j++)
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        public void actionPerformed(ActionEvent e) {
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    int w;
    int h;
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Hi Keong6806,
Thanks a lot for posting and sharing here.
Do you have any other questions regarding this topic? If not I would change the type as 'Discussion' then.
Best Regards,
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Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Event object and who create it?

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