330 Java Tips.pdf - FTP Server

Graphics, AWT, Swing I part
It isn't fully correctly if we are speaking about containers on which they can draw.
Swing is still based on AWT, and even Swing components must have at least one
heavyweight container. In other words, JFrame, JApplet are *not* lightweight.
I need to put in a JtextField characters like cyrilic ...
How can I do this?
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).
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