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i need to write a code to enter only numerical keys. i am using key typed event.
here is my code,
i am getting error at line 2(if(!..Code:char ch=evt.getKeyChar();
if(!((char>='0'&& char<='9')||ch == KeyEvent.VK_BACK_SPACE||ch == evt.VK_DELETE))
evt.consume();
Swing? AWT? something else?
To get proper help on a forum, you need to lean to be specific about your problem. Posting a SSCCE (Short, Self Contained, Correct (Compilable), Example) will always ensure that you get better help sooner.
When seeking help with an error, always post the complete, unedited error message or stack trace.Quote:
i am getting error at line 2(if(!..
db
here is the erroe.sorry i could not enclose it in code.
Exception in thread "AWT-EventQueue-0" java.lang.RuntimeException: Uncompilable source code - unexpected type
required: value
found: class
at HOMEPAGE.tf3KeyTyped(HOMEPAGE.java:7149)
at HOMEPAGE.access$4900(HOMEPAGE.java:22)
at HOMEPAGE$57.keyTyped(HOMEPAGE.java:1164)
at java.awt.Component.processKeyEvent(Component.java: 6460)
at javax.swing.JComponent.processKeyEvent(JComponent. java:2829)
at java.awt.Component.processEvent(Component.java:628 2)
at java.awt.Container.processEvent(Container.java:222 9)
at java.awt.Component.dispatchEventImpl(Component.jav a:4861)
at java.awt.Container.dispatchEventImpl(Container.jav a:2287)
at java.awt.Component.dispatchEvent(Component.java:46 87)
at java.awt.KeyboardFocusManager.redispatchEvent(Keyb oardFocusManager.java:1893)
at java.awt.DefaultKeyboardFocusManager.dispatchKeyEv ent(DefaultKeyboardFocusManager.java:752)
at java.awt.DefaultKeyboardFocusManager.preDispatchKe yEvent(DefaultKeyboardFocusManager.java:1017)
at java.awt.DefaultKeyboardFocusManager.typeAheadAsse rtions(DefaultKeyboardFocusManager.java:889)
at java.awt.DefaultKeyboardFocusManager.dispatchEvent (DefaultKeyboardFocusManager.java:717)
at java.awt.Component.dispatchEventImpl(Component.jav a:4731)
at java.awt.Container.dispatchEventImpl(Container.jav a:2287)
at java.awt.Window.dispatchEventImpl(Window.java:2719 )
at java.awt.Component.dispatchEvent(Component.java:46 87)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.j ava:703)
at java.awt.EventQueue.access$000(EventQueue.java:102 )
at java.awt.EventQueue$3.run(EventQueue.java:662)
at java.awt.EventQueue$3.run(EventQueue.java:660)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:676)
at java.awt.EventQueue$4.run(EventQueue.java:674)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPri vilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 673)
at java.awt.EventDispatchThread.pumpOneEventForFilter s(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(E ventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:97)
Well, if you can't compile your source code you shouldn't be trying to run it. Post the compiler error.
db