JTextField and keylistener HELP`!

Hi, guys. I am working on my first java project. What i would like to have is a keylistener which detects if the key pressed is a numerical value or character. i hope you guys understand what i mean. A validation check restricting JTextFields to only accept numerical or either charaters and not both.
Hope someone may help...
`bluez.

Hi ,
just a hint: try a forum search before you post a new question was answered many times. A forum search with "numeric textfield" found this:
http://forum.java.sun.com/thread.jsp?forum=54&thread=107812
Might help.
Phil

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  • Reading values from JTextField and using them?

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        show(); // show the dialog.

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    I downloaded all of the sound drivers I could find on the Lenovo site for 3000 N100 (I knew from previous experience that the “SOUNDMAX” driver is the only one that actually works with this 3000 N100) in order to install this you have to install the Realtek HD audio driver, but in order to install that you have to install some other Driver/Soft that only works with SP1 or SP2 if you try to install it with SP3 it will say that you don’t need the file as your Service pack is newer than the file you want to install, this is understandable as SP3 is not final as of yet (but it’s good to know).
    My next problem was that my extra RAM was not detected, this was fixed by updating the BIOS, after installing all of the System updates, PC Doctor, everything I could find for 3000 N100 I decided to rest, I pushed the Lenovo care button and it did not work, I found a hot key driver and installed it but still the Lenovo care button does not work, previously when I pushed this button it would bring up the Lenovo menu but now it’s just a dead button, Does anyone know how to get this button working again?
    I am pretty sure that everything else is working fine now, just that button not working is very annoying, is there a set routing of installs you must do to get everything working, i.e. bios 1st audio 2nd system update 3rd etc...
    Please help, I hope I have helped you...
    Message Edited by DrunkenNinja on 05-07-2008 03:38 AM
    Message Edited by DrunkenNinja on 05-07-2008 03:38 AM
    Solved!
    Go to Solution.

    Ok first everything works now... except the Lenovo Care button, I just posted the other stuff cause it might help other members,  I have searched the forum for an anwser to this problem but there was only one anwser (suggesting to uninstall the driver restart and re-install it) and it did not result in a working Lenovo Care button...
    I don't beleive the Lenovo keyboad drivers are in any way related to the Service pack 3 as they do not use the Service pack files, to back this up I also had the same problem when Service Pack 2 was installed...
    The Lenovo Care button works fine on Boot up screen to access the rescue and recovery software (So the mechanics of the button are fine) but once Windows XP loads it is just a dead button, I remember it used to open up the Lenovo Care Start bar, I got it working once in the past but I can't remember what I did, I thought someone here might know the anwser...

  • I took my iMac to be fixed and when i got it back, mail was not set up. I called Apple Support and they helped me set up mail. Then the emails went to trash on the iMac and on the MacBook Pro (same emails). There are no numbers by the 'inbox' to tell how

    I took my iMac to be fixed and when I got it back, mail was not set, so I called Apple and they helped me set up mail. Now the new mail goes to trash and there is no number by the 'inbox' to tell me how many new messages I have. I cannot save a draft to 'drafts.' There is a large number by 'trash' (I think all mail went to trash - including drafts). When I send myself an emai, it goes to trash also. This is on both my iMac (the one taken in) and my MacBook Pro (same emails) which was not taken in.
    I went to 'rules' but have no idea what to do there. There are no rules in the rule box. When I click 'add rule' it puts 'rule 1' in the rule box, but since that was not there when I took it in, I delete it to have an empty rule box.
    Can someone pleasehelp me. I am completely stupid with all this. Do not under stand what is suppose to be set up in 'rules.'
    Thank you so much,
    Arudi

    Now new mail is coming to both computer's inboxes but there is no number on the stamp icon on dock to show number of emails on the iMac. Nor is there a number by either email address under MAILBOXES/inbox (sidebar) on the iMac. This number is showing on MacBook Pro.
    I also can save drafts now on both computers.
    Seems the Pro is fixed and the iMac is only missing the numbers on dock icon and by addresses in inbox.
    Now that the problem is less, I feel i am wasting your time but will continue so maybe I can get those numbers back.
    Two emails > AT&T email and gmail.
    Apple's Mail program for email - yes, and gmail.
    IMAP for both accounts.
    Did not change mail configuration on MacBook.
    The iMac and MacBook Pro have the same mail configuration except in Accounts/mailbox behaviours/store draft messages on the server was not marked on MacBook > it is now.
    'Store junk messages on the server' was marked on one computer for gmail, but is unmarked on both now.
    On the iMac, Accounts/Accounts info/Outgoing mail for gmail is smtpgmail.
    On the MacBook Pro for gmail it is smpt.gmail.com (plus) my email address.
    Rules/Add rule window, on the MacBook third line is 'Any Recipient', on the iMac third line is 'From."
    The last box on that line has my email address on the MacBook.
    The last box on that line has the last address I sent an emil to (last night), on the iMac.
    On the last line on iMac, no box was selicted for 'to mailbox' > I choose 'inbox' because it is on the MacBook Pro.
    Now I have a Rule #1 and am not sure I should have because there was no rules marked when I took the computer in.
    Thank you. I relized I had done the labeling wrong when so much of my question appeared twice and no one else's did. I know how to do it now.
    Thank you so much,
    Arudi

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