Graphics, AWT, Swing I part

Answer: You use the unicode string \u???? corresponding to your character.

A table of codes can be found at 

www.unicode.org/charts/

by Charles Megnin

Is there any way to accept password from a java application. As it is a password,

IT SHOULD NOT BE SHOWN(ECHOED) WHILE IT IS ENTERED.

Answer: If you are using swing, you can use JPasswordField, and set your

echo character.

by myparu

How can I change the default icon on application window (java cup) to my own?

Answer:

window.setIconImage(Toolkit.getDefaultToolkit().getImage("image.gif"));

 Q: How can I read a Tab delimited text file into a JList?

All I need is the first item in each record. I import each line with a

BufferedReader.Readline() and then look at each char with record.substring(n,n+1).

How can I check if the next char is a Tab?

Answer: StringTokenizer st = new StringTokenizer(record, "\t");

while (st.hasMoreTokens()) {

     String token = st.nextToken();

    // ... do something with the token

}

How do I generate mouse click event but without a real click?

Could you tell me how I can generate an event (like a mouse click) from a Java

application? (I want generate a mouse click event but without a real click on the

mouse).

Answer: See "simulate keyboard pressing" below: You can use java.awt.Robot"

since java1.3

Q: Why would anyone use AWT and not Swing today?

Answer: There are several handheld devices that do not have a lot of memory or

CPU power available, AWT is more suitable for them (Smaller footprint).

 Q: Need I to remove all the listeners on all of the components in the Frame when

I close window of the Frame?

I ve got a Frame, which has in it a bunch of components, some of which themselves

may be containers. Many of the components in this frame have listeners.

When somebody closes the window of the Frame, I want to completely get rid of the

Frame, so that the garbage collector will later clean it up, freeing it s memory.

However, I haven t yet figured out a way to do this without tracking every single

component by myself. Just calling dispose() on the main Frame doesn t seem to be

good enough. Calling  "RemoveAll()", even recursively, doesn t seem to be good

enough.

I *suspect* that the problem may be that I have to remove all the listeners on all of

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