The problem of extends

I created a package named test1 in the software Eclipse*, and set two classes named ButtonFrame and ButtonTest to display a panel with two buttons:
{color:#00ccff}{color:#3366ff}package test1;
{color}
{color}
{color:#00ccff}{color:#3366ff}{color:#00ff00}{color:#339966}// Fig. 11.15: ButtonFrame.java
// Creating JButtons.{color}
{color}
import java.awt.FlowLayout;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JFrame;
import javax.swing.JButton;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JOptionPane;
{color}
{color}
{color:#00ccff}{color:#3366ff}public class {color:#ff0000}ButtonFrame{color}{color} {color:#3366ff}extends JFrame {
{color}{color}{color:#3366ff}private JButton plainJButton; {color:#339966}// button with just text
{color}private JButton fancyJButton; {color:#339966}// button with icons
{color}
{color}
{color:#3366ff}{color:#339966}// ButtonFrame adds JButtons to JFrame{color}
public ButtonFrame() {
super("Testing Buttons");
setLayout(new FlowLayout()); {color:#339966}// set frame layout{color}
{color}
{color:#00ccff}{color:#3366ff}plainJButton = new JButton("Plain Button"); {color:#339966}// button with text
{color}add(plainJButton); {color:#339966}// add plainJButton to JFrame
{color}
{color}
{color}
{color:#00ccff}{color:#3366ff}Icon bug1 = new ImageIcon(getClass().getResource("bug1.gif"));
Icon bug2 = new ImageIcon(getClass().getResource("bug2.gif"));
fancyJButton = new JButton("Fancy Button", bug1); {color:#339966}// set image
{color}fancyJButton.setRolloverIcon(bug2); {color:#339966}// set rollover image
{color}add(fancyJButton); {color:#339966}// add fancyJButton to JFrame{color}
{color}
{color}
{color:#00ccff}{color:#3366ff}{color:#339966}// create new ButtonHandler for button event handling{color}
ButtonHandler handler = new ButtonHandler();
fancyJButton.addActionListener(handler);
plainJButton.addActionListener(handler);
} {color:#339966}// end ButtonFrame constructor{color}
{color}
{color}
{color:#3366ff}{color:#3366ff}{color:#339966}// inner class for button event handling
{color}private class ButtonHandler implements ActionListener {
{color:#339966}// handle button event{color}
public void actionPerformed(ActionEvent event) {
JOptionPane.showMessageDialog(ButtonFrame.this, String.format(
"You pressed: %s", event.getActionCommand()));
} {color:#339966}// end method actionPerformed{color}
}{color:#339966} // end private inner class ButtonHandler{color}
} {color}{color:#339966}// end class ButtonFrame
{color}
{color:#3366ff}
{color:#3366ff}package test1;
{color}
{color:#3366ff}{color:#339966}//Fig. 11.16: ButtonTest.java
// Testing ButtonFrame{color}.
import javax.swing.JFrame;
{color}
{color:#3366ff}public class ButtonTest {
public static void main(String args[]) {
{color}{color:#ff0000}ButtonFrame buttonFrame = new ButtonFrame();{color}{color:#33cccc}{color:#3366ff} {color:#339966}// create ButtonFrame{color}
buttonFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
buttonFrame.setSize(275, 110); {color:#339966}// set frame size{color}
buttonFrame.setVisible(true); {color:#339966}// display frame{color}
} {color:#339966}// end main
{color}} {color}{color:#339966}// end class ButtonTest
{color}
{color}
{color}
{color}
{color:#000000}When I launch the class ButtonTest, the problem happen, the class name of the ButtonFrame had been doubt, it indicated:"{color:#ff0000}The serializable class ButtonFrame does not declare a static final serialversionUID field of type long{color}{color}" how can I slove this problem?
Edited by: Leaner on Mar 4, 2008 3:43 PM

{color:blue}Easy with the colors OK?{color}
{color:#000000}T{color}{color:#010101}h{color}{color:#030303}a{color}{color:#040404}t{color}{color:#060606}'{color}{color:#070707}s{color}{color:#090909} {color}{color:#0a0a0a}j{color}{color:#0c0c0c}u{color}{color:#0e0e0e}s{color}{color:#0f0f0f}t{color}{color:#111111} {color}{color:#121212}a{color}{color:#141414} {color}{color:#151515}w{color}{color:#171717}a{color}{color:#191919}r{color}{color:#1a1a1a}n{color}{color:#1c1c1c}i{color}{color:#1d1d1d}n{color}{color:#1f1f1f}g{color}{color:#202020} {color}{color:#222222}a{color}{color:#232323}n{color}{color:#252525}d{color}{color:#272727} {color}{color:#282828}i{color}{color:#2a2a2a}f{color}{color:#2b2b2b} {color}{color:#2d2d2d}y{color}{color:#2e2e2e}o{color}{color:#303030}u{color}{color:#323232} {color}{color:#333333}a{color}{color:#353535}r{color}{color:#363636}e{color}{color:#383838}n{color}{color:#393939}'{color}{color:#3b3b3b}t{color}{color:#3d3d3d} {color}{color:#3e3e3e}s{color}{color:#404040}e{color}{color:#414141}r{color}{color:#434343}i{color}{color:#444444}a{color}{color:#464646}l{color}{color:#474747}i{color}{color:#494949}z{color}{color:#4b4b4b}i{color}{color:#4c4c4c}n{color}{color:#4e4e4e}g{color}{color:#4f4f4f} {color}{color:#515151}i{color}{color:#525252}n{color}{color:#545454}s{color}{color:#565656}t{color}{color:#575757}a{color}{color:#595959}n{color}{color:#5a5a5a}c{color}{color:#5c5c5c}e{color}{color:#5d5d5d}s{color}{color:#5f5f5f} {color}{color:#606060}o{color}{color:#626262}f{color}{color:#646464} {color}{color:#656565}t{color}{color:#676767}h{color}{color:#686868}e{color}{color:#6a6a6a} {color}{color:#6b6b6b}c{color}{color:#6d6d6d}l{color}{color:#6f6f6f}a{color}{color:#707070}s{color}{color:#727272}s{color}{color:#737373} {color}{color:#757575}y{color}{color:#767676}o{color}{color:#787878}u{color}{color:#7a7a7a} {color}{color:#7b7b7b}c{color}{color:#7d7d7d}a{color}{color:#7e7e7e}n{color}{color:#808080} {color}{color:#818181}i{color}{color:#838383}g{color}{color:#848484}n{color}{color:#868686}o{color}{color:#888888}r{color}{color:#898989}e{color}{color:#8b8b8b} {color}{color:#8c8c8c}i{color}{color:#8e8e8e}t{color}{color:#8f8f8f}.{color}{color:#919191} {color}{color:#939393}O{color}{color:#949494}n{color}{color:#969696}e{color}{color:#979797} {color}{color:#999999}w{color}{color:#9a9a9a}a{color}{color:#9c9c9c}y{color}{color:#9e9e9e} {color}{color:#9f9f9f}t{color}{color:#a1a1a1}o{color}{color:#a2a2a2} {color}{color:#a4a4a4}s{color}{color:#a5a5a5}t{color}{color:#a7a7a7}o{color}{color:#a8a8a8}p{color}{color:#aaaaaa} {color}{color:#acacac}t{color}{color:#adadad}h{color}{color:#afafaf}e{color}{color:#b0b0b0} {color}{color:#b2b2b2}w{color}{color:#b3b3b3}a{color}{color:#b5b5b5}r{color}{color:#b7b7b7}n{color}{color:#b8b8b8}i{color}{color:#bababa}n{color}{color:#bbbbbb}g{color}{color:#bdbdbd} {color}{color:#bebebe}i{color}{color:#c0c0c0}s{color}{color:#c1c1c1} {color}{color:#c3c3c3}t{color}{color:#c5c5c5}o{color}{color:#c6c6c6} {color}{color:#c8c8c8}d{color}{color:#c9c9c9}o{color}{color:#cbcbcb} {color}{color:#cccccc}w{color}{color:#cecece}h{color}{color:#d0d0d0}a{color}{color:#d1d1d1}t{color}{color:#d3d3d3} {color}{color:#d4d4d4}i{color}{color:#d6d6d6}t{color}{color:#d7d7d7} {color}{color:#d9d9d9}s{color}{color:#dbdbdb}u{color}{color:#dcdcdc}g{color}{color:#dedede}g{color}{color:#dfdfdf}e{color}{color:#e1e1e1}s{color}{color:#e2e2e2}t{color}{color:#e4e4e4}s{color}{color:#e5e5e5}.{color}{color:#e7e7e7} {color}{color:#e9e9e9}A{color}{color:#eaeaea}d{color}{color:#ececec}d{color}{color:#ededed} {color}{color:#efefef}t{color}{color:#f0f0f0}h{color}{color:#f2f2f2}e{color}{color:#f4f4f4} {color}{color:#f5f5f5}f{color}{color:#f7f7f7}i{color}{color:#f8f8f8}e{color}{color:#fafafa}l{color}{color:#fbfbfb}d{color}{color:#fdfdfd}:{color}
private static final long serialversionUID = 0;

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Is anyone else experiencing a similar problem?

Update
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Message was edited by: Rob Lichter

OK, I have a G4 powerbook with a new 80gb hard drive.
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I installed a 518 RAM card before this issue arose, but the problem seems to exist independant of that RAM.
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cornelius

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Hi JDC
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The problem shows up when I?m trying to add an item inside the inner class, the code pass compilation, it even enter the addItem() but its dont add item
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DefaultListModel dlm = new DefaultListModel();
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JScrollPane js = new JScrollPane(list);
ScrolledList(){
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Hi
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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
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public void p(String out){
    if(PRINTLN)
      System.out.println(out);
public ScrolledList() {
    try {
      jbInit();
    catch(Exception e) {
      e.printStackTrace();
private void jbInit() throws Exception {
    this.setLayout(new BorderLayout());
    this.add(clientScroll);
   public void addClient(String client){
    p("addClient invoked....");
    dlm.addElement(client);
public static void main(String[] args) {
    JFrame frame = new JFrame();
    frame.getContentPane().add(new ScrolledList());
      frame.addWindowListener(new WindowAdapter() {
        public void windowClosing(WindowEvent e) {
          System.exit(0);
      frame.setSize(300,300);
      frame.setVisible(true);
      ScrolledList s = new ScrolledList();
      s.addClient("Shay");
}thanks

Apple says dvi ro adc adapters are the problem

I posted with the correct title, exucse me missing our thr "to adc adaptor " part.
anycase
They sent this person with there mac mini, 22" plastic cinema display and DVI to ADC adapter to be looked at by 4 different centers in europe, no on-sight or pick up mail support at all, and none culd get the screen panel functions to work.
They told him that they have no solution to the problem and they where aware of it since they manufactured the mac mini, but that its minor for a recall and the only way apple could do anything to help him is if he would purchase a extended plan for $200 more!!!
"this is new to my ears",
has anyone else had this problem or where the posts deleated here before?

A poor help to people sitting on useless Apple products. To me it looks like a lot of people do have display problems. Any normal person should be able to spot when something is more than a minor problem in a forum like this if you understand what I mean.
I'm about to help someone make a switch and buy a mini. But I hesitate, knowing the display problems so many seems to have.
Having problems with a noisy G5 CPU fan I've come to realize that Apple actually do cover up problems. Wonder why? However the most disturbing fact is why Apple can't give their customers some answers. They should have some clues to what is going on. Be sure that they read this forum and that they know when a problem is a real problem.

Can't afford to fix the problem

Hi,
After reading some of the threads in here, I've found out that my iBook is yet another victim of the reed switch problem and have read the replies about possible ways to fix it. Unfortunately, as I'm living outside the US for an extended period of time, I can't take it home to be repaired. Additionally, as I'm a student, I simply cannot afford the cost of having it repaired. So, my question is this: Yes, the flickering is pretty annoying, but does it have any real effect on the functionality of the machine? Or is this a problem that will get worse with time? The reason I ask is because I've already sunk a lot of money into this computer with other repairs, and if this problem is "terminal," I'd rather invest the money in a new machine.
iBook G4 Mac OS X (10.3.9) 800 MHz, 640 MB DDR SDRAM, replaced optical drive

As long as you can get the screen to come back after putting it to sleep and then waking it again it just comes down to how annoying it is. I haven't seen anyone report any long-term damage from the problem.
I've heard other possible causes include bad logic boards and various other display parts like the backlight.
Sounds like you're already out of warranty, so if you've got the time and inclination you can replace it yourself for about $25.

What is the problem?

I want to deploy a CMP Entity Bean in weblogic6.1SP2,but I meet an error,what should I do to solve the problem?
the error code:
<2003-4-7 ~{OBNg~}02~{J1~}27~{7V~}24~{Ck~}> <Error> <J2EE> <Error deploying application SVC:
Unable to deploy EJB: CMPSvc from SVC.jar:
The Container-Managed Persistence Entity EJB failed while creating its SQL Type
Map. The error was:
Io ~{Rl3#~}: Connection reset by peer: socket write error
and my original code:
SVC.java(remote interface)
package CMPEntityBean;
import javax.ejb.*;
import java.rmi.RemoteException;
public interface SVC extends EJBObject
     public java.lang.String getSvcID() throws RemoteException;
     public java.lang.String getSvcName() throws RemoteException;
     public void setSvcID(java.lang.String svcID) throws RemoteException;
     public void setSvcName(java.lang.String svcName) throws RemoteException;
SVCHome.java (home interface file)
package CMPEntityBean;
import javax.ejb.*;
import java.rmi.RemoteException;
import java.util.Collection;
public interface SVCHome extends EJBHome
public SVC create(java.lang.String svcID,java.lang.String svcName) throws CreateException,RemoteException;
public SVC findByPrimaryKey(CMPEntityBean.SVCPK key) throws FinderException,RemoteException;
public Collection findBySvcName(java.lang.String svcName) throws FinderException,RemoteException;
SVCBean.java (Enterprise Bean file)
package CMPEntityBean;
import javax.ejb.*;
public abstract class SVCBean implements EntityBean
     protected EntityContext ctx;
     public abstract java.lang.String getSvcID();
     public abstract java.lang.String getSvcName();
     public abstract void setSvcID(java.lang.String svcID);
     public abstract void setSvcName(java.lang.String svcName);
     public void ejbActivate(){}
     public void ejbRemove(){}
     public void ejbPassivate(){}
     public void ejbLoad(){}
     public void ejbStore(){}
     public void setEntityContext(EntityContext ctx)
     this.ctx = ctx;
     public void unsetEntityContext()
     this.ctx = null;
     public void ejbPostCreate(String svcID,String svcName){}
     public SVCPK ejbCreate(String svcID,String svcName)
     setSvcID(svcID);
     setSvcName(svcName);
     return new SVCPK(svcID);
ejb-jar.xml
<?xml version="1.0"?>
<!DOCTYPE ejb-jar PUBLIC '-//Sun Microsystems, Inc.//DTD Enterprise JavaBeans 2.0//EN' 'http://java.sun.com/dtd/ejb-jar_2_0.dtd'>
<ejb-jar>
<enterprise-beans>
<entity>
<ejb-name>CMPSvc</ejb-name>
<home>CMPEntityBean.SVCHome</home>
<remote>CMPEntityBean.SVC</remote>
<ejb-class>CMPEntityBean.SVCBean</ejb-class>
<persistence-type>Container</persistence-type>
<prim-key-class>CMPEntityBean.SVCPK</prim-key-class>
<reentrant>False</reentrant>
<cmp-version>2.x</cmp-version>
<abstract-schema-name>SVCBean</abstract-schema-name>
<cmp-field>
<field-name>svcID</field-name>
</cmp-field>
<cmp-field>
<field-name>svcName</field-name>
</cmp-field>

<query>
<query-method>
<method-name>findBySvcName</method-name>
<method-params>
<method-param>java.lang.String</method-param>
</method-params>
</query-method>
     
<ejb-ql>
SELECT OBJECT(a) FROM SVCBean a WHERE svcName = ?1
</ejb-ql>
</query>
</entity>
</enterprise-beans>
<assembly-descriptor>
<container-transaction>
<method>
<ejb-name>CMPSvc</ejb-name>
<method-intf>Remote</method-intf>
<method-name>*</method-name>
</method>
<trans-attribute>Required</trans-attribute>
</container-transaction>
</assembly-descriptor>
</ejb-jar>
weblogic-ejb-jar.xml
<?xml version="1.0"?>
<!DOCTYPE weblogic-ejb-jar PUBLIC "-//BEA Systems, Inc.//DTD WebLogic 6.0.0 EJB//EN" "http://www.bea.com/servers/wls600/dtd/weblogic-ejb-jar.dtd" >
<weblogic-ejb-jar>
<weblogic-enterprise-bean>
<ejb-name>CMPSvc</ejb-name>
<entity-descriptor>
<entity-cache>
     <max-beans-in-cache>1000</max-beans-in-cache>
</entity-cache>
<persistence>
     <persistence-type>
     <type-identifier>WebLogic_CMP_RDBMS</type-identifier>
     <type-version>6.0</type-version>
     <type-storage>META-INF/weblogic-cmp-rdbms-jar.xml</type-storage>
     </persistence-type>
     <persistence-use>
     <type-identifier>WebLogic_CMP_RDBMS</type-identifier>
     <type-version>6.0</type-version>
     </persistence-use>
</persistence>
</entity-descriptor>
<jndi-name>cmpsvc</jndi-name>
</weblogic-enterprise-bean>
</weblogic-ejb-jar>
weblogic-cmp-rdbms-jar.xml
<!DOCTYPE weblogic-rdbms-jar PUBLIC '-//BEA Systems, Inc.//DTD WebLogic 6.0.0 EJB RDBMS Persistence//EN' 'http://www.bea.com/servers/wls600/dtd/weblogic-rdbms-persistence.dtd'>
<weblogic-rdbms-jar>
<weblogic-rdbms-bean>
<ejb-name>CMPSvc</ejb-name>
<data-source-name>ucisOra</data-source-name>
<table-name>TAB_SVC</table-name>
<field-map>
<cmp-field>svcName</cmp-field>
<dbms-column>svcname</dbms-column>
</field-map>
<field-map>
<cmp-field>svcID</cmp-field>
<dbms-column>svcid</dbms-column>
</field-map>
</weblogic-rdbms-bean>
</weblogic-rdbms-jar>
thanks a lot!

Try this
SELECT OBJECT(a) FROM SVCBean a WHERE a.svcName = ?1

When I try to make a new video, a window comes up that says,"The operation could not be completed," and then under it, it says,"No other information is available about the problem," what is happening and how do I fix it?

when I try to make a new video, a window comes up that says,"The operation could not be completed," and then under it, it says,"No other information is available about the problem," what is happening and how do I fix it?

Hi
And without info - it's near to impossibly to help. Try my general troubleshooting note:
Troubleshooting note
When iMovie doesn't work as intended this can be due to a lot of reasons
iMovie Pref files got corrupted - trash it/they and iMovie makes new and error free one's
problem in iMovie Cache folder - trash Cache.mov and Cache.plist
Creating a new User-Account and log into this
This forces iMovie to create all pref. and cache files new and error free
Event or Project got corrupted - try to make a copy and repair
a Codec is used that doesn't work (even though iMovie and/or iDVD tries to / they fail in the end)
version miss match of QuickTime Player / iMovie / iDVD
preferences are wrong - Repair Preferences
other hard disk problem - Repair Hard Disk (Disk Util tool - but start Mac from ext HD or DVD)
External hard disks - MUST BE - Mac OS Extended (hfs) formatted to work with Video
( UNIX/DOS/FAT32/Mac OS Exchange - works for most other things - but not for Video )
USB-flash-memories - usually do not work
Net-work connected hard disks - usually do not work (most often not fast enough and WRONGLY FORMATTES as DOS etc)
iPhoto Library got problems - let iPhoto select another one or repair it. Re-build this first then try to re-start iMovie. When iMovie starts-up it first look trough this iPhoto library and if faulty it all Halt’s.
This You do by
First - close iPhoto
Secondly - on start up of iPhoto - Keep {cmd and alt-keys down}
Thirdly - now select all five options presented
THEN - WAIT a long long time (>20 hours are not strange)
free space on Start-Up (Mac OS) hard disk to low (<1Gb) - I never go under 25Gb free space for SD-Video (4-5 times more for HD)
external devices interferes - turn off Mac - disconnect all of them and - Start up again and re-try
GarageBand fix - start GB - play a few notes - Close it again and now try iMovie
Screen must be set to million-colors
Third-party plug-ins doesn't work OK
Run "Cache Out X", clear out all caches and restarts the Mac
Let Your Mac be turned on during one night. At about midnight there is a set of maintenance programs that runs and tidying up. This might help
Turn off Your Mac - and disconnect Mains - for about 20-30 minutes - at least this resets the FireWire port.
In QuickTime - DivX, 3ivx codec, Flip4Mac, Perian etc - might be problematic - temporarily move them out and re-try
(I deleted the file "3ivxVideoCodec.component" located in Mac HD/Library/Quicktime and this resolved my issue.)
buenrodri wrote
I solved the problem by removing the file: 3ivxVideoCodec.component. after that, up-dated iMovie runs ok.
Last resort: Trash all of iMovie and re-install it
Yours Bengt W

The problem of extends

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