Reference product use a different class

Hi
I face a inbound error queue in R/3 system :Reference product use a different class. What does it mean? I have checked the
classification in apo in product. The value in Reference Product (Loc.-Indep.) is 100_SER. The value in CDP Class is
CL_100_SER. BUt in R/3 the value in Cross-plant CM is 101_SER. Is it because this reason? I don't know the relationship
between these fields. Could you please help expalin ? Thank you very much in advance.

Hi,
In R/3 there are two feilds one is cross plant configurable material in basic data 2 veiw. This will appear in APO location independent reference material.
In MRP3 there is plant specific configurable material which will appear in APO as location dependent configurable material.
Genrally these both feilds will have same value.
Secondly Z these feilds need to be assigned material post material is transfered to APO.
Can you give some more details to help you.
Like what is class type assigned in ECC?
Regards,
SANTOSH

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How to use the different class for each screen as well as function.

Hi Experts,
How to use the different class for each screen as well as function.
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Hi ThippaReddy,
see this sample code
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Use two different classes

Hi ,thanks a lot for reading this.
I would like to create a java class which can perform addition ,namely this program should return the sum of two integers.
Then another java class should use the previous one in order to add couples of integers.
I know how I should do it if I had the function that performs the addition in the same *.java file but how can I make it work when there are two different files that the one should use the other?
Thanks in advance
Dennis

So you have class someClass that might look like
public class someClass
    public int sum(int a, int b)
         return a+b;
}you'd then have a class otherClass that could use A such as
public class otherClass
     public void foo()
         someClass test = new someClass   //create and instantiate your class with a variable name
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Needs help.....Please about using different classes

I don't know how to use differenet classes.
Please tell me how to write class to suit Start. This stuff me up. Please .... help me
<<My program>>
//Start
public class Start
{ private Artist[] Artists;
private Record[] records;
private Person[] Manager;
private TextMenu makeMenu = new TextMenu();
public static void main(String[] args)
 Start studio = new Start();
studio.menu();
public Start()
{ //Person.Manager(ManagerName,HouseNumber,StreetNumber,PhoneNumber)
 Manager = new Person[1];
 Manager[0] = new Person("Yangfan",88,"Young ST",11118888);
 //Artist(GroupID,ArtistName,HouseNumber,StreetNumber,PhoneNumber)
 Artists = new Artist[5];
Artists[0] = new Artist(1,"Backstreet Boys",58,"Music ST",99998888);
Artists[1] = new Artist(2,"Santana",68,"Music ST",99998899);
Artists[2] = new Artist(3,"Macy Gray",78,"Music ST",55558888);
Artists[3] = new Artist(4,"Ricky Martin",88,"Music AVE",77778888);
Artists[4] = new Artist(5,"Did Rock",55,"Music Road",66667777);
//Record(RecordingID,RecordName,Artist,StartTime,FinishTime,RecordingDate,GuestArtist1,GuestArtist2)
records = new Record[6];
records[0] = new Record(1,"I want it that way",Artists[0],11,12,"05/08/2001",Artists[1],Artists[3]);
records[1] = new Record(2,"Smooth",Artists[1],11,12,"05/08/2001",Artists[1],"");
records[2] = new Record(3,"Do something",Artists[2],11,"05/08/2001",Artists[3],"");
records[3] = new Record(4,"Livin La Vida Loca",Artists[3],11,12,"05/08/2001",Artists[1],Artists[3]);
records[4] = new Record(5,"Bawitdaba",Artists[4],11,13,"05/08/2001",Artists[1],"");
records[5] = new Record(6,"The one",Artists[0],11,14,"05/08/2001",Artists[1],"");
public void menu()
{ String[] choices = {">>>List Manager Details",">>>List All Artist Names",">>>List An Artist Telephone-Number",">>>Show Details For One Recording",">>>Add A New Recording",">>>List The Recording Costs For All Artists",">>>List Artist's Reocording",">>>Exit Program"};
while (true)
{ switch (makeMenu.getChoice(choices))
{ case 1: showAllArtists();
break;
case 2: showAllRecords();
break;
case 3: System.exit(0);
break;
case 4: System.exit(0);
break;
case 5: System.exit(0);
break;
case 6: System.exit(0);
break;
case 7: System.exit(0);
break;
case 8: System.exit(0);
break;
default:
public void showAllArtists()
{ int numArtists = Artists.length;
for(int i = 0; i < numArtists; i++)
{ Artists[i].displayArtistDetails();
public void showAllRecords()
{ for (int i = 0; i < records.length; i++)
{ System.out.println();
records.printRecordDetails();
<<Assignment>>
Due - midnight, Wednesday August 22nd
This assignment will test your knowledge of Java programming using classes, encapsulation and javadoc.
The base requirements
Write a complete Java class to manage a Digital Recording Studio. The studio wants to keep a list of all Artists that use the studio and also wishes to keep track of all Recordings that have been made. An important function of the program is to calculate the time spent making a recording and charge the Artist for the time used.
You must create at least the following classes, Start, Studio, Person, Artist, Recording, Address. You may create other classes if needed as well
Start will contain main(), create one instance of a Studio and execute a Menu of commands to test your code. Studio should contain a studio name, an array of Artist and an array of Recording plus the studio manager (a Person). Each Artist should contain the name of the group and an Address. Each Person will have a name and a home address. Each recording will have a Title (usually song title), an Artist (only one), and a list of guestArtist (they are Artist�s but will not receive royalties) the number of the CD the recording is stored on (numbers are numerical and recordings are saved on CD-R), plus the recording start and finish times for the recording session (suggest you use Java Date class � refer to the API). An Address will contain, house number (integers only), a street name and a telephone number. There is no need to store city and country.
To enter a set of data for testing your program � main() should call a method in the Start class that will fill in a set of values by creating objects and filling in values by calling methods in each class. This is the ONLY method allowed to be longer than 1 page long � normally we would read the data from a file but there are no O-O principles that can be learnt with simply filling in data values. It is suggested to create say at least 4 Artist�s and 6 Recordings (at least one with 1 guest Artist and one with 2 guestArtist�s)
A menu for testing your program should be provided (it is suggested to put the Menu into a separate class as you need at least 3 menus). While other commands are possible, only the following ones will receive marks.
Menu commands needed are
List the Managers name, address and telephone number
List all Artist Names
List an Artist telephone number (a sub menu showing valid Artist�s is required)
Show all details for one Recording ( sub menu of valid Recordings will be needed and remember there can be more than one guestArtist)
Add a new Recording, user will need to be prompted for all details.
List the recording costs for all Artists � show each Artist on a separate line with their name and total amount, charge for using the studio is $1000 per hour or part thereof, example for a 1 hour and 10 minute recording the Artist will be billed for 2 hours.
List all the Recording�s one Artist has worked on (sub menu of Artists needed), the list should show whether they were the Artist or a guestArtist
Exit program
Use fixed sizes for arrays, suggest 20 is suitable for all arrays. Java can handle dynamic data structures (where the number of elements can grow or shrink), but that is beyond a first assignment.
Do NOT make ANY methods static - this defeats the Object Oriented approach and will result in ZERO marks for the entire assignment.
Data MUST be encapsulated, this means that all the data relating to an object are to be stored INSIDE an object. None of the data detail is to be globally available within your program - hence do not store Artist names in either Studio or Recordings � just store a reference instead. Do NOT create ID numbers for Artists, you should use References instead � for many students this will be the hardest part as you have to use Objects, not program in a C style to solve the problem. Note that if there are any non-private data in classes then zero will given for marks for encapsulation.
Good programming style is expected (see web page or lecture notes). In particular, you must use javadoc to generate a set of html pages for your classes. Make sure you use the special javadoc style comments in your source code. Marks will be granted for both using javadoc and also for including sensible javadoc comments on each class and each public method.
What to Hand In
Read the turnin page, basically the .java files, a readme.txt to tell the marker which file the program starts from plus the javadoc (html) files. Do NOT send .class files (if you do send these we will delete them and recompile your program), do NOT compress with gtar, tar, zip or use any other tool on your files. Turnin automatically compresses all your files into a single archive for us to mark.
The simplest way to turnin all your files is to place all files in one directory then just use the *.* wildcard to turn in all files within that one directory.
You must turnin all files that are not part of Java 1.3. In particular, you are allowed (actually encouraged) to use EasyIn or SavitchIn but should include the one you use in the files you submit. It is STRONGLY suggested that you copy all the files into another directory, test it works there by compiling and executing then turnin files from that directory. A common problem is students adding comments at the last minute then not testing if it still compiles. The assignment will be marked as submitted � no asking later for leniency because you added comments at the last minute and failed to check if it still worked.
If the tutors are unable to compile your submission, they will mark the source code but you will lose all the execution marks. Sorry, but it is your responsibility to test then hand in all files.
Comments
For CS807 students, this program should be fairly easy if it was to be programmed in C (you would use several struct). The real art here is to change over to programming objects. Data is contained in an object and is not global. This idea is essential to using Java effectively and is termed encapsulation. Instead of using function(data), you use objectName.method( ). Effectively you switch the data and functions around, the data has a method (function) attached to it, not the other way around as in C (where you have a function and send data to it).
While there will be some marks for execution, the majority of the marks will be given for how well you write your code (including comments and documentation) and for how well you used O-O principles. Programs written in a C style with most of the code in one class or using static will receive ZERO marks regardless of how well they work.
You are responsible for checking your turnin by reading the messages turnin responds with. Failure to read these messages will not be an acceptable excuse for submitting an incorrect assignment. About 2% of assignments sent to turnin are unreadable (usually empty) and obtain 0.
Late submissions
Late submissions will only be accepted with valid reasons for being late. All requests for assignment extensions must be made via email to the lecturer. Replies for acceptance or refusal will made by email. Instant replies are unrealistic (there is usually a flood of queries into my mail box around assignment due dates) and the best advice is to ask at least 4 days in advance so that you will have a reasonable chance of getting a timely reply and allow yourself enough time to submit something on time if the extension is not granted.
ALL late submissions will be marked LAST and will NOT be sent to tutors for marking until all other assignments have been marked. As an example, if you submit late and your assignment is not yet marked by the time assignment 2 is due then it will be pushed to the end of the marking pile as the assignments that were submitted on time for assignment 2 will take priority.
If you make a second submission after the submission date, only the first submission will be marked. We will not mark assignments twice! You can update your submission BEFORE the submission date if you need to - this will just overwrite the first submission. The latest time for a late submission is 5pm on the Wednesday after the due date. This is because, either a solution will be handed out at that lecture or details of the assignment will be discussed at the lecture. I cannot accept any assignment submissions after that time for any reason at all including medical or other valid reasons. For those who are given permission to be later than the maximum submission time � a different assignment will be handed out. Remember, if you decide to submit late you are VERY UNLIKELY to receive feedback on your assignments during semester.
Assignments will be removed from turnin and archived elsewhere then forwarded to tutors for marking on the morning after the assignment is due. A different tutor will mark each of your assignments � do not expect the tutor you see at the tutorials to be your marker.
Marks will be returned via email to your computer science yallara account � ideally within 2 weeks. I will send marks out when I receive them so do not send email asking where your marks are just because a friend has theirs. If you want your email forwarded to an external account, then place a valid .forward file into your yallara account. The Help Desk on level 10 can assist you in setting this up if you do not know how to do it.

I have seen other people who have blatantly asked for
other people to do their homework for them, but you
are the first person I've seen to actually cut and
paste the entire assignment as it was handed to you.
Amazing.
Well, unlike some of the people you're talking about, it seems like zyangfan did at least take a stab at it himself, and does have a question that is somewhat more sepcific that "please do this homework for me."
Zyangfan,
marendoj is right, though. Posting the entire assignment is kind of tacky. If you want to post some of it to show us what you're trying to do, please trim it down to the essential points. We don't need to see all the instructor's policies and such.
Anyway, let me see if I understand what you're asking. You said that you know how to write the code, but only by putting it all in one class, is that right? What part about using separate classes do you not understand? Do you not know how to make code in one class aware that the other class exists? Do you not know how code in class A can call a method in class B?
Please be a bit more specifice about what you don't understand. And at least try using multiple classes, then when you can't figure out why something doesn't work, explain what you did, and what you think should have happened, and what did happen instead.
To get you started on the basics (and this should have been covered in your course), you write the code for two classes just like for one class. That is, for class A, you create a file A.java and compile it to A.class. For class B, you create a file B.java and compile it to B.class. Given how rudimentary you question is, we'll skip packages for now. Just put all your class files in the same directory, and don't declare packages in the .java files.
To call a method in class B from code that's in class A, you'll need an object of class B. You instantiate a B, and then call its methods.
public class B {
int count;
public B() { // constructor
public void increment() {
 count++;
public class A {
public static void main(String args[]) {
 B b = new B();
 b.increment();
}Is this what you were asking?

In Bte can i use same Product for 2 different process

in Bte can i use same Product for 2 different process

hi
as per i know yes but since there r two type of interface behaviour is defferent .
For
Publish & Subscribe interfaces
if any event occur in this type both the process can work simultaneously and they will not intervene each other
whereas in
Process interfaces
at an time any one process can be active.
Reward if usefull
Cheers
Snehi

Accessing a different class using ActionPerformed

hi
im trying to access a method in a different class using
public void actionPerformed (ActionEvent e) {
 if(e.getSource() == AuthorCombo) {
 ComboAction();
 else if(e.getSource() == SearchButton){
 SearchSystem();
}and then using
public class Book extends ViewPanel{
public void SearchSystem(){// this is used to get the information from
 //the combo boxs whixh can latter show
 //the data in the text area
tempBookNoList.clear();
 for(int a=0; a<AuthorList.size(); a++) {
 if(((String)AuthorCombo.getSelectedItem()
 ==AuthorList.get(a))
 &&((String)BookCombo.getSelectedItem()
 ==BookList.get(a))) {
 tempBookNoList.add((String)BookNoList.get(a));
 String result = (String)tempBookNoList.get(a);
 InfoArea.setText ((String)tempBookNoList.get(a));
} }//End neither random situation.to manipulate some data within the other class
i keep getting the error
.\ViewPanel.java:314: cannot resolve symbol
symbol : method SearchSystem ()
location: class ViewPanel
 SearchSystem();
^
1 error
can anyone help me spot the problem

in that case i do not know what could be the cause in this program
the only area i think it could be is when the SearchSystem method in the Book class gets using the Action Performed method in the Viewpanel method, shown below
public class Book extends ViewPanel{
public void SearchSystem(){// this is used to get the information from
 //the combo boxs whixh can latter show
 //the data in the text area
 for(int a=0; a<AuthorList.size(); a++) {
 if(((String)AuthorCombo.getSelectedItem()
 ==AuthorList.get(a))
 &&((String)BookCombo.getSelectedItem()
 ==BookList.get(a))) {
 InfoArea.setText((String)BookNoList.get(a));
 }which is called using
public void actionPerformed (ActionEvent e) {
 if(e.getSource() == AuthorCombo) {
 ComboAction();
 else if(e.getSource() == SearchButton){
 theBook.SearchSystem();
}but i cant see this being a problem as it all compiles

How to use javasetters and getters in different classes

how to use setters and getters in different class so that the setvalue in one class is effect in second class for getting

If i got your question right,
make sure your classes are in the same package
make sure your getters are public/protected
make sure your code calls the setter before calling the getter
Kind regards

Using Buffered Writer In Different Classes

Hi,
I have 4 different classes in my program. Although the three object defining classes have accessor methods, I use print functions designed within them. I'm wondering if it is at all possible to use a single buffered reader to use all of the classes. Thanks for the help.

Possible, yes.Wow that doesn't sound reassuring haha..
Well I decided to stop being lazy and recreated the print function as a writing function using the accessors, but now I'm having an issue between methods. Is it possible to use the same bufferedreader easily[i] between different methods?

While running my app I get the below error - have different Class objects for the type javax/servlet/http/HttpServletRequest used in the signature

I am running ATG[10.1.2] app on Jboss [EAP 5.1.0 GA] I am able to open dyn/admin however when I start my app I get the below error
java.lang.LinkageError: loader constraint violation: when resolving method "atg.servlet.ServletUtil.setSessionConfNumCacheRequest(Ljavax/servlet/http/HttpServletRequest;)Ljavax/servlet/http/HttpServletRequest;" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the current class, atg/filter/dspjsp/PageFilter, and the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) for resolved class, atg/servlet/ServletUtil, have different Class objects for the type javax/servlet/http/HttpServletRequest used in the signature
at atg.filter.dspjsp.PageFilter.doFilter(PageFilter.java:215)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at atg.servlet.ForwardFilter.doFilter(ForwardFilter.java:263)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at atg.servlet.ErrorFilter.doFilter(ErrorFilter.java:279)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:638)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:446)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:382)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:310)
at org.apache.catalina.core.StandardHostValve.custom(StandardHostValve.java:416)
at org.apache.catalina.core.StandardHostValve.status(StandardHostValve.java:342)
at org.apache.catalina.core.StandardHostValve.throwable(StandardHostValve.java:286)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
at java.lang.Thread.run(Thread.java:680)
11:22:47,413 ERROR [[localhost]] Exception Processing ErrorPage[errorCode=500, location=/global/errorPage500.jsp]

The supported JBoss version for 10.1.2 is JBoss EAP 5.1.2 but I don't think that your issue is caused because of this. Your issue is more of an environmental thing as you are probably getting two different versions getting loaded of class javax.servlet.http.HttpServletRequest and so correspondingly two different Class objects as the error shows. One reason for this could be if you include any server-specific libraries (in present case the Servlet API JAR which contains the class javax.servlet.http.HttpServletRequest) of a different version in the /WEB-INF/lib of your web application. Try removing it from there if so and see if that helps.

How to Execute different classes using editplus

Consider a program like this
class abc
public static void main(String args[])
System.out.println("abc");
class bbc
public static void main(String args[])
System.out.println("bbc");
In this program there are two classes when i compile this code in editplus i wont get any error but if i want to execute only ABC class how to do that in editplus because in editplus we usually set the file name for JAVA execution
But here it is different SO,how to execute different classes in a program which is saved with arbitary name in EDIT PLUS..

Try reading an editplus FAQ or posting to an editplus forum or even searching through help in editplus.

How to call to another form declare in different class ???????

hi, i'm beginner in j2me...
I was wondering how to call to other form(class) in the current form...
For example,
public class A extends MIDlet implements CommandListener
public void commandAction(Command d,Displayable s)
if (d==*OKCommand*)
if press this OK command, it will be able to show another form declared in the different class...
How to make it able to call to other form/class(eg.classB)????
public class B
//form that will be shown after pressed command OK in class A
please help if you know...Thanks a lot..... =)

you MUST have a reference to the other class or MIDlet in the current MIDlet ...
i think that i have answered to these kind of questions a few month ago.. you should use the 'search' engine to find the topic..
CLDC and MIDP forum is not a huge forum compare to Java Programming forum so it will be easy !

Has anyone deployed in production using SOASuite ?

Just want to check if anyone is using ESB / Oracle BPEL in production.
Lately we have been facing some issues and we r wondering if we should cut our losses or is it worth continuing ?

Bryan,
I also put a lot of weight in Tom’s posts; I am however convinced that contacting Oracle Support is a better solution for direct, bug related questions. I do, for example not doubt that his human tasks did not work when put in parallel flows. There might be workarounds, such as putting the human workflow stuff in a separate service, but to me sounds like a bug and bugs should be reported, analyzed, and fixed.
As you can see from my profile, I do not live in Poland so I do not know about the training situation there, but I have, personally, delivered five SOA Suite classes so far during 2007 and I know that I am not the only one running SOA training in Sweden. I might be wrong, but based on my own experience, I have assumed that the lack of training that Tom is experiencing is due to communication problems, and that contacting Oracle Education would sort things out. (Training in Europe tends to be given in the local language. A quick look at the web shows that the next 5 day SOA Suite training in Poland seems to be scheduled for November 19th.)
On the topic of frequent changes in interfaces as mentioned above, I agree that an update of the table structure in a database must never cause business process updates. If that is the case, the architecture most likely suffers from tight coupling. I never recommend anyone to use adapters direct from BPEL try to but use (coarse gained) services published on the service bus as much as possible to avoid such problems. For an introduction to SOA best practices see (for example) Dave Schaffer’s 7 Steps to SOA in SOA World Magazine.
I am sorry if you feel that my posts are not providing the level of support you where hoping to find. Perhaps it is our expectations community/forums vs official product support that differs. Regarding whether Oracle has figured it out or not, you do not have to trust me – take a look at what InfoWorld or Forrester are saying.

Best, 
Mathias

BUG: OJC creates different classes than JAVAC making them incompatible

Using the new JDeveloper 10g production release, I saw this behaviour when I used a class compiled in JDev (with OJC) passed over RMI to a server running classes compiled with in Ant (with JAVAC).
I took the problematic class and stripped away parts of it until I have isolated the cause - seems related to class variable members initialization.
I will provide several exapmles, where I used several modifications, giving the output of JAVAP for the same class, once compiled by JAVAC and once by OJC, highlighting the diff.
Example #1:
public class Test { static final int CONSTANT = 0; }JAVAC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    static final int CONSTANT;
    public Test();
}OJC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    static final int CONSTANT;
    static {};
    public Test();
Example #2:
public class Test { final int CONSTANT = 0; }JAVAC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    final int CONSTANT;
    public Test();
}OJC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    final int CONSTANT;
    void $init$();
    public Test();
Example #3:
public class Test { static int CONSTANT = 0; }JAVAC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    static int CONSTANT;
    public Test();
    static {};
}OJC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    static int CONSTANT;
    static {};
    public Test();
Example #4:
public class Test { int CONSTANT = 0; }JAVAC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    int CONSTANT;
    public Test();
}OJC:
Compiled from "Test.java"
public class Test extends java.lang.Object{
    int CONSTANT;
    void $init$();
    public Test();
}I also have two examples where both compilers produce the same output for JAVAP:
public class Test { static int CONSTANT; }
public class Test { int CONSTANT; }I hope this is enough information to solve this.
Classes compiled with OJC should not be incompatible with classes compiled with JAVAC with the same settings!
Regards,
Yaniv Kunda

I'm sorry but I'm too busy with an urgent project to set up a RMI client/server testbed for this to test this problem, but all the example I gave are ones I've performed myself, and which all work - a simple class containing a constant (in several variations of its modifiers) compiled once with JAVAC and once with OJC produced different classes.
I simply used javap to find out the difference between the classes, and highlighted the differences in bold - that would be a good place to start looking for the bug.
Besides I'm not sure how to create a test that loads two versions of the same class not using RMI (perhaps via a special ClassLoader?)
Regards,
Yaniv Kunda

Help with menus and variables in different classes.

1) how do I change variables in different classes? My situation..
I have a few tabbed panels/planes, that ask for different user inputs. I want the last tabbed panel/plane to have the inputs on 1 plane. Is that confusing?
Code:
        JTabbedPane tp = new JTabbedPane();
        tp.addTab ("Kitchen", new KitchenPanel());
        tp.addTab ("Living Room", new LivingRoomPanel());
        tp.addTab ("Master Bedroom", new MasterBedPanel());
        tp.addTab ("Bedroom 1", new Bedroom1Panel());
        tp.addTab ("Bedroom 2", new Bedroom2Panel());
        tp.addTab ("Misc Use", new MiscPanel());
        tp.addTab ("Totals", new TotalsPanel());not the full thing obviously, but just so u see what im working with.
2) How do popup menus work? I have a menu (File -> About | File -> How to Contact)
I want The File->About menu item, to prompt a dialog
The File -> How to to prompt a dialog
Contact Menu(Not Item) to load a webpage
thanks again for the help, and i hope its not to confusing
Edited by: 2point2ek on May 25, 2009 9:51 PM

It's better to think in terms of transferring data between object, rather than between classes.
What you need is for the tab pane objects to have a reference to some common object to which the data is to be sent. This common object might be the total pane. It's generally better design to keep the data in separate objects from the presentation (in this case the totals pane), but at this stage that's probably just going to confuse you.
The simplest way to get this reference in is to the pane objects is as a constructor argument, which the constructor of your pane objects saves in a field. As you create each pane you pass it a reference and it stores that reference for when it needs to save data.
Then, when you click detect the action by which the user tells the program to store the data he's entered the pane class should call a method on the central data object, passing all the data from that pane. If there's a lot of it, wrap it up in an object (typically called a "data transfer object").
The central data object would be responsible for dealing with this data, amending totals etc.. It might delegate responsibility for updating the display to a separate total pane object.

How to use two different database Drivers in one application ????

I want to select datas in a result set of a query on a ms access database table and insert these into a mysql table of a mysql database in one application.
Now my problem is that only on database driver is acceptet in the same application even it`s instanciatet in a completely different class !!!
Here's the structure of my program:
class one:
String database = "jdbc:odbc:Driver={Microsoft Access Driver (*.mdb)};DBQ=";
database += filename.trim() + ";DriverID=22;READONLY=false}";
java.sql.Driver driver0=new sun.jdbc.odbc.JdbcOdbcDriver();
DriverManager.registerDriver(driver0);
DriverManager.getDriver(database);
con2=DriverManager.getConnection(database,"","");
DatabaseMetaData dmd2;
dmd2=con2.getMetaData();
stmt2=con2.createStatement();
rs2=("SELECT (.........
until here all values can be selected correctly from ms access
class2.get_gas_id(fla_gas);
Now I want to insert these values into mysql.
By despair i created a second class with another jdbc-method:
class2:
public class gas_select{
public static int fla_gas_id;
public static void get_gas_id(String fla_gas)
java.sql.Statement stmt3;
java.sql.Connection con3;
java.sql.ResultSet rs3;
FileWriter fout1;
try
java.sql.Driver driver1=new org.gjt.mm.mysql.Driver();
DriverManager.registerDriver(driver1);
DriverManager.getDriver(config.db_rge_stoffe); ==>
config.rge_stoffe="jdbc:mysql://192.168.10.101:3306/rge_stoffe?user=<user>";
con3=DriverManager.getConnection(config.db_rge_stoffe);
java.sql.DatabaseMetaData dmd3;
dmd3=con3.getMetaData();
stmt3=con3.createStatement();
rs3=stmt3.executeQuery("SELECT (Nr) from tblgaseliste where Gasart like "+"\'"+fla_gas+"\'");
while(rs3.next())
fla_gas_id=rs3.getInt("Nr");
fout1.write(fla_gas_id);
stmt3.close();
con3.close();
fout1.close();
There's no result and no error message. Idon't know what to do !
Has anyone an idea ???
Edited by: goberger on Mar 27, 2008 3:35 PM

Hi!
If I understand your problem correctly, you can create connections to as many databases as you want in one class. In one of my programs I have connection to 3 separate databases, but here is an example:
Connection mysql_con = DriverManager.getConnection("jdbc:mysql://localhost:3306/dbmysql", "root", "12345");
Connection pg_con = DriverManager.getConnection("jdbc:postgresql://127.0.0.1:5433/dbpgsql", "postgres", "12345");Then from mysql_con and pg_con create PreparedStatement or Statement then load selections into ResultSet and then use getString() to get a basic String type result that you want and so update table from each database.
HTH
Victor.
BTW Here I use port 5433 for PostgreSQL connection because I SSH tunnel it from 5432 to 5433
Edited by: vic_sk on Mar 27, 2008 4:23 PM

Reference product use a different class

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