Newbie with Hand class problem !!

Hi all, I,m new to Java and programming in general. I need to create a Hand class from a Card class that I wrote. The Card class uses a toString to return the string representation of the card and suit. I need a default constructor which is empty so is no problem for me nor is it a big problem to create a constructor that creates an array of cards. My problem is creating a method to add a single card and subtract a single card. Also testing that no two cards are the same. I understand most of this stuff when I am in class but when I get home I don't seem to know how to proceed. Any help is greatly appreciated. Thanks!!!!
PS: I mistakenly posted this on the new to Java Technology thread. Sorry for the double post!

The cross-post is at http://forum.java.sun.com/thread.jsp?thread=411785&forum=54&message=1811450

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Accessing MS Sql Server with Java classes - problem connecting to socket

I found an example at this location which uses java classes to connected to MS Sql Server.
http://search400.techtarget.com/tip/1,289483,sid3_gci1065992,00.html
--bummer - it is a login location - so I will include the article
Anyway, the example is using Websphere, but I am still on Jbuilder (will get wsad soon). So I planted the classes from the example in
C:\Borland\JBuilder\jkd1.4\jre\lib\ext\...the classes
Then I copied the code from the example to my jpx project and got an error that it could not connect to the socket. The only thing I changed in the code was the connection string:
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Connection connection = DriverManager.getConnection("jdbc:microsoft:sqlserver://1433", "");
I was getting an error with the 2 argument version of DriverManager - and the second argument here was empty (properties argument). Here was my connection string:
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Thanks
source of article:
http://search400.techtarget.com/tip/1,289483,sid3_gci1065992,00.html
iSeries 400 Tips:
TIPS & NEWSLETTERS TOPICS SUBMIT A TIP HALL OF FAME
Search for: in All Tips All search400 Full TargetSearch with Google
PROGRAMMER
Sample code: Accessing MS SQL Server database from the iSeries
Eitan Rosenberg
09 Mar 2005
Rating: --- (out of 5)
Nowadays with the help of Java the iSeries can be integrated with other databases quite easy. This tip shows you how. The code included here uses the free Microsoft driver that can be downloaded from here. (SQL Server 2000 Driver for JDBC Service Pack 3)
If your SQL server does not include the Northwind Sample Database you can find it here.
http://www.microsoft.com/downloads/details.aspx?familyid=07287b11-0502-461a-b138-2aa54bfdc03a&displaylang=en
The download contains the following files:
msbase.jar
mssqlserver.jar
msutil.jar
Those files needs to be copied to the iSeries directories (/home/r_eitan/ExternalJARs).
Here's the directory structure (on the iSeries) for this sample:
/home/r_eitan/ExternalJARs - Microsoft files (msbase.jar,mssqlserver.jar,msutil.jar)
/home/r_eitan/JdbcTest02 - My code (Main.java,Main.class)
The Java code
import java.sql.*;
import java.io.*;
class Main {
* Connect to Microsoft SQL server and download file northWind.products as tab
* seperated file. (products.txt)
public static void main(String args[]) {
try {
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Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
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connection.setCatalog("northWind");
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// Iterate throught the rows in resultSet and
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while (resultSet.next()) {
for (int index = 1; index <=columnCount; ++index)
String value;
switch(resultSetMetaData.getColumnType(index))
case 2 :
case 3 :
value = resultSet.getString(index);
break;
default :
value = """ + resultSet.getString(index) + """;
break;
outPut.print(value + (index < columnCount ? "t" : ""));
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resultSet.close();
connection.close();
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catch (SQLException exception)
exception.printStackTrace();
catch (Exception exception)
exception.printStackTrace();
--------------------------------------------------------------------------------------------------

My guess is that the server's host name isn't right. It necessarily (or even usually) the "windows name" of the computer. Try with the numeric IP address instead (type "ipconfig" to see it).
First aid check list for "connection refused":
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- Check port number in connect string.
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- Are there any firewalls between client and server blocking the port.
- Check that the db server is running.
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- Try "telnet serverhost the-port-number" from the client, to see if firewalls are blocking it.
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Mac newbie with a "stacks" problem

Now, you're dealing with a former Windows person here making the transition...
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I do Ind out what version of MAC OS I have?
would appreciate help with this first (of potentially many) questions as I cross over to the Mac world.
thanks

How do I get this cool function back?
Drag a folder to the Dock...don't minimize them.
I do Ind out what version of MAC OS I have
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Hi, ok so I've downloaded the latest version of BlueJ (2.1.2) and have all of the Java components (i.e. BlueJ actually starts). However when I try to compile a program all it says is "Compiling..." in the corner. Nothing happens and when I click inside the window the message disappears with nothing being changed. Am I missing something glaringly obvious? This is my first encounter with BlueJ and the whole Java-thing. Also, time is a factor so a quick response would be INCREDIBLY appreciated. Thanks in advance.

Hi, ok so I've downloaded the latest version of BlueJ
(2.1.2) and have all of the Java components (i.e.
BlueJ actually starts). However when I try to compile
a program all it says is "Compiling..." in the
corner. Nothing happens and when I click inside the
window the message disappears with nothing being
changed. Am I missing something glaringly obvious?
This is my first encounter with BlueJ and the whole
Java-thing. Also, time is a factor so a quick
response would be INCREDIBLY appreciated. Thanks in
advance.Hi,
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http://www.jcreator.com
I had tried BlueJ but didn't like it.
Good Wishes,
Amanullah

From sort of newbie with a video problem

Hello all... am attempting to launch a video clip
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appreciate any help... please repsond to [email protected] as I will
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doctorpixel

Hi Lexstan. I highly suggest you take your phone back where you purchased it. Your phone is definitely posessed! Just kidding!
What you explained in item #1 is very strange! Have it checked out!

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hi
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code snippet is like...
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Outer$Inner naming convention is not used by JVM to get declaring class.
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Newbie with compilation problem

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You create a new class loader for each class. The class loaders are independent, and so the class hierarchies they load are independent. Class A loader by classLoaderOne doesn't see class B loader by classLoaderTwo - they are loaded into their own sandboxes.
Either load everything with one class loader or create the class loaders in a hierarchy. To create a hierarchy use the class loader constructor that takes a parent class loader as a parameter. One class loader may be easier because then you don't need to worry about loading order.

ABAP Objects with Workflows / Classes and Instances

Hello,
I am currently designing a workflow using an ABAP-Objects. So far I have been been able to get my Workflow to run with my class, but I have a couple of problems:
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I appreciate any help and thanks a lot in advance.

Hello Pauls,
Thank you for your answer. I think we are misunderstanding each other. The problem occurs (I think) because my class is not a singleton class. Or am I mistaken ?
When I directly start a subflow from my main workflow, then the instance that I have created in my main workflow is also visible to the subflow. As well as the static table which actually keeps track of the instances. So, in this case the subflows finds the instance and then can use the object as is.
When I start a subflow from my main workflow using the function I mentioned above, then even though the same object key is used, there is a new instance. And the static table (I assume that you mean a static variable from type table, when you say "class table") is completely empty. In this case, my "new" instance is created which overwrites every attribute that I have set in the main workflow, before I started the subflow. More interestingly, my main workflow instantiates another new object, as soon as the subflow has finished. (I am using an event to wait for the subflow to finish.)
On the other hand, I am not quite sure that I understood your approach with refresh and how it could help me. This method is not well documented anywhere, and all of the examples that I have found are about "leave it empty"
As far as I understood, this method is called by the workflow between the steps, when an object is used. I slowly start to think that I need advanced information about Workflows and Memory Management.
Thanks a lot again. Apparently, I am the only person who came across such a problem
Greetz
G.Fendoglu

Please help with simple Classes understanding

Working further to understand Class formation, and basics.
At the Java Threads Tutorial site:
http://java.sun.com/docs/books/tutorial/essential/threads/timer.html
Goal:
1)To take the following code, and make it into 2 seperate files.
Reminder.java
RemindTask.java
2)Error Free
Here is the original, functioning code:
import java.util.Timer;
import java.util.TimerTask;
* Simple demo that uses java.util.Timer to schedule a task
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* http://java.sun.com/docs/books/tutorial/essential/threads/timer.html
public class Reminder {
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}Here is what I tried to 2 so far, seperate into 2 seperate files:
Reminder.java
package threadspack;    //added this
import java.util.Timer;
import java.util.TimerTask;
* Simple demo that uses java.util.Timer to schedule a task
* to execute once 5 seconds have passed.
* http://java.sun.com/docs/books/tutorial/essential/threads/timer.html
public class Reminder {
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}and into
RemindTask.java
package threadspack; //added this
import java.util.Timer;
import java.util.TimerTask;
import threadspack.Reminder; //added this
* http://java.sun.com/docs/books/tutorial/essential/threads/timer.html
public class RemindTask extends TimerTask
Timer timer; /**here, I added this, because got a
"cannot resolve symbol" error if try to compile w/out it
but I thought using packages would have negated the need to do this....?*/
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timer.cancel(); //Terminate the timer thread
I am not sure of:
If I have packages/import statements setup correctly
If I have the "Timer" variable setup incorrectly/wrong spot.
...how to fix the problem(s)
Thank you!

Hi there!
I understand that somehow the original "Timer" must
be referenced.
This is a major point of confusion for me....I
thought that when importing
Classes from the same package/other packages, you
would have directly
access to the variables within the imported Classes.I think you have one of the basic points of confussion. You are mixing up the concept of a "Class" with the concept of an "Object".
Now, first of all, you do not need packages at all for what you are trying to do, so my advice is you completely forget about packages for the moment, they will only mess you up more. Simply place both .class files (compiled .java files) in the same directory. Your program is executing fine, so that indicates that the directory in which you have your main class file is being included in your classpath, so the JVM will find any class file you place there.
As for Classes/Objects, think of the Class as the map in which the structure of a building is designed, and think of the Object as the building itself. Using the same technical map the architect defines, you could build as many buildings as you wanted. They could each have different colors, different types of doors, different window decorations, etc... but they would all have the same basic structure: the one defined in the technical map. So, the technical map is the Class, and each of the buildings is an object. In Java terminology, you would say that each of the buildings is an "Instance" of the Class.
Lets take a simpler example with a class representing icecreams. Imagine you code the following class:
public class Icecream{
     String flavor;
     boolean hasChocoChips;
}Ok, with this code, what you're doing is defining the "structure" of an icecream. You can see that we have two variables in our class: a String variable with the description of the icecream's flavor, and a boolean variable indicating whether or not the icecream has chocolate chips. However, with that code you are not actually CREATING those variables (that is, allocating memory space for that data). All you are doing is saying that EACH icecream which is created will have those two variables. As I mentioned before, in Java terminology, creating an icecream would be instantiating an Icrecream object from the Icecream class.
Ok, so lets make icrecream!!!
Ummm... Why would we want to make several icecreams? Well, lets assume we have an icecream store:
public class IcecreamStore{
}Now, we want to sell icecreams, so lets put icecreams in our icecream store:
public class IcecreamStore{
     Icecream strawberryIcecream = new Icecream(); //This is an object, it's an instance of Class Icecream
     Icecream lemonIcecream = new Icecream(); //This is another object, it's an instance of Class Icecream
}By creating the two Icecream objects you have actually created (allocated memory space) the String and boolean variable for EACH of those icecreams. So you have actually created two String variables and two boolean variables.
And how do we reference variables, objects, etc...?
Well, we're selling icecreams, so lets create an icecream salesman:
public class IcecreamSalesMan{
}Our icecream salesman wants to sell icecreams, so lets give him a store. Lets say that each icecream store can only hold 3 icecreams. We could then define the IcecreamStore class as follows:
public class IcecreamStore{
     Icecream icecream1;
     Icecream icecream2;
     Icecream icecream3;
}Now lets modify our IcecreamSalesMan class to give the guy an icecream store:
public class IcecreamSalesMan{
     IcecreamStore store = new IcecreamStore();
}Ok, so now we have within our IcecreamSalesMan class a variable, called "store" which is itself an object (an instance) of the calss IcecreamStore.
Now, as defined above, our IcecreamStore class will have three Icecream objects. Indirectly, our icecream salesman has now three icecreams, since he has an IcecreamStore object which in turn holds three Icecream objects.
On the other hand, our good old salesman wants the three icecreams in his store to be chocolate, strawberry, and orange flavored. And he wants the two first icecreams to have chocolate chips, but not the third one. Well, here's the whole thing in java language:
public class Icecream{ //define the Icecream class
     String flavor;
     boolean hasChocoChips;
public class IcecreamStore{ //define the IcecreamStore class
     //Each icecream store will have three icecreams
     Icecream icecream1 = new Icecream(); //Create an Icecream object
     Icecream icecream2 = new Icecream(); //Create another Icecream object
     Icecream icecream3 = new Icecream(); //Create another Icecream object
public class IcecreamSalesMan{ //this is our main (executable) class
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     public void main(String args[]){
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          /*Put the flavors and chocolate chips:*/
          store.icecream1.flavor = "Chocolate"; //Variable "flavor" of variable "icecream1" of variable "store"
          store.icecream2.flavor = "Strawberry"; //Variable "flavor" of variable "icecream2" of variable "store"
          store.icecream3.flavor = "Orange";
          store.icecream1.hasChocoChips = true;
          store.icecream2.hasChocoChips = true;
          store.icecream3.hasChocoChips = false;
}And, retaking your original question, each of these three classes (Icecream, IcecreamStore, and IcecreamSalesMan) could be in a different .java file, and the program would work just fine. No need for packages!
I'm sorry if you already knew all this and I just gave you a stupid lecture, but from your post I got the impression that you didn't have these concepts very clear. Otherwise, if you got the point, I'll let your extrapolate it to your own code. Should be a pice of cake!

Report of posted Deprecation with ASSET CLASS

Hi Gurus,
We require a depreciation simuation report with Asset class as mandatory one.
Could you please tell me path and t-code for the above said report.
Regards,
Praveen.

Hi Praveen,
You mentined before you wanted to view depreciation simulation, for this RASIMU02 is the report to use.
However, if you want to see depreciation planned /and or posted you can use the Asset Balance RABEST_ALV01. If you click on the indicator "current book value" you will see the actually posted depreciation and current Netbook Value. Also in this report you can enter the Asset Class in the selection parameters.
Regarding viewing the note I forwarded to you previously: you can view it via the SAP Portal - http://help.sap.com/. If you go to SAP ERP tab, you will see on the right hand side pannel a link to SAP Notes. Here you can view any note.
I hope this helps further.
Kind regards,
Brigitte

PickList Update - Input values [...] does not match with expected class names

Hi everybody!
I try to update a picklist via b1if but I always get the following error-message:
Exception : Input values '["3" , "3"]' does not match with expected class names '["com.sap.smb.sbo.api.ICompany" , "java.lang.Integer"]' for SBO object type '156'
As you can see in the error-message I use object type 156 “PickLists”.
Below you can see the message to the B1 Object – atom:
<Payload id="atom1" Role="X">
    <System xmlns="">0010000100</System>
    <QueryParams xmlns="">
        <AbsoluteEntry>3</AbsoluteEntry>
    </QueryParams>
    <PickLists xmlns="">
        <row>
            <PickDate>20120914</PickDate>
        </row>
    </PickLists>
    <PickLists_Lines xmlns="">
        <row>
            <OrderEntry>248</OrderEntry>
            <OrderRowID>0</OrderRowID>
            <PickedQuantity>1</PickedQuantity>
        </row>
    </PickLists_Lines>
</Payload>
…and the result:
<Payload status="success" id="atom2" Role="C" DImsg=" Exception :
Input values '["3" , "3"]' does not match with expected class names
'["com.sap.smb.sbo.api.ICompany" , "java.lang.Integer"]' for SBO object type '156'"
DIresult="failure" keyvalue="3" keyname="AbsEntry" payload="atom1" objectid="156"
method="Synchronous Update" b1login="Technical User" system="0010000100"/>
I just can’t figure out meaning of the error-message…anyone can help?
Thanks in advance!
Best Regards
Alex

Hey Alex,
I have a similar problem. I suppose you have solved your problem, because this post is very old. Perhaps you could share the solution?
Best regards
Benjamin

Newbie with a Motif ES8 - optimum setup with a minimalistic approach?

hi,
I'm trying to decide on the optimum setup with a minimalistic approach!
I a newbie with the Motif ES8 and am at cross roads deciding on the type of computer setup for my VST.
PC + Cubase vs. MAC + Logic Pro or Logic Pro Express?
With MAC, how far do I need to go;i.e. MACBook Pro a must?
how many USB ports (types 400 vs 800), etc?
With Logic Pro, is Express going to be sufficient for a full soup to nuts recording and mastering given that this is for a home studio setup though with an idealist running it?
I'm a one woman show and so don't need too many inputs/outputs. I'd be recording a track at a time and my songs take up less than 16 tracks.
I would really appreciate any and all responses.
Roya
macbook pro Mac OS X (10.4.7)

thanks for the detailed response PK
so, the extra USB port on the HD would facilitate a
hub type interface i.e. once you hook up another\
device to the HD via USB, you're really hooked up to
the computer.. right? and so, if I get a powered USB
Hub, this wouldn't really matter.. correct?
For the most part, you have to be careful hooking
too many devices up to a computer WHEN you are trying
to do some sound work. When they say a computer
can do ABC we sometimes think that should include D.
As for the sound interface, I already have an
Audiophile that has midi in/out, firewire to
computer, RCA jack for i/o. I know its not the high
end stuff but I hope to do a stepwise upgrade here if
at all possible..
That actually might work, if it supports at least
16 bit 44.1 khz that is the lowest you want to go.
Ideally it should be 24 bit to take advantage of Logics
24bit environment. You might be able to run the ES8
straight into those RCA jacks if they are SPDIF and your
keyboard has the same on the back.
There are a bunch of people on Motifator discussion
groups that warn against Apple's lack of support for
Logic. Not sure if the concern is only regarding the
combination of Yamaha (Motif) and Apple (Logic).
I went and read that thread, here are some of my thoughts
on some of this.
Can't comment on MAC, but a dear friend of mine who is an audio engineer said >he had walked away from Logic after Apple bought them out. "Straight downhill" >I think is how he put it.
Many windows users just hate Apple and their products.
I think much of it is ignorance. They will say
Macs are junk but when I ask them why
they never have an answer or say something
that is false. It sounds like this "professional"
did not even wait to see that Logic did get better.
Apple charges 200.00 for support of it's Professional
applications. You really do not need it since there are
so many experienced Logic users here that I never had
a question go unanswered. I've noticed on those forums
the same small group of people do most of the problem
solving. I am not overly impressed with Yamaha's support.
I had my questions about my keyboard answered quicker
by those forums. So I guess both companies need work
in this area. Frankly, for recording, I think the Motif
and Logic are a Killer combination. Both have steep
learning curves but once you get up to speed I think
the results speak for themselves. The main difference
in my opinion is that the Motif is the ultimate
performance tool and Logic is the ultimate studio toolshop.
After having a Motif for over a month, I am convinced
it has a steeper learning curve than Logic take for instance
that thread on getting your keyboard to record it's own
audio output. The list of things to do each time is as long
as my arm. In case you did not read it here it is.
First thing – STORE your MIX setup and SAVE the Song to SmartMedia (or USB mass storage device) before resampling it so you have a backup. You would create a mix to balance the instruments the way you like them.
* Select a target track, then press the [INTEGRATED SAMPLING] button.
Setup the parameters for resampling:
* Press [F1] DEST
* Select a TRACK and [KEYBANK] (note) into which you will record the resampled data. You can target either an empty track or the track on which you are going to play (if you are going to play along). If all tracks are full, don't worry, you can still resample anyway.
* Press [F2] SOURCE. Set the source parameters as follows:
- Type = Sample - with this type the Integrated Sampling Sequencer will not create any NOTE-ON data in your sequencer, it will just simply add a new sample waveform to the waveform list
- Source = Resample
- Mono/Stereo = Stereo
- Next = OFF
- Frequency = 44.1k
* Press [F6] REC This will place the sampling sequencer in Standby mode. Set the TrggrMode paramter to Manual
* Press Start on the sequencer and check your levels. If too low set the REC GAIN higher +6bB or +12dB, if the level is to high (clipping- you will see a lightning bolt) lower the GAIN to -6dB or -12dB. When you have checked the levels, press STOP and return to the top of the SONG.
* Press F6 REC to start the Resample, Press [>] (play) to begin recording the resample. The Motif ES will draw the wave as it samples.
* When the song is over press [F6] STOP. The Motif ES will take a few moments to gather the data.
To create the .wav file:
* Press [FILE]
* Press [F1] CONFIG
* Press [SF1] CURRENT
* If you will be saving the resampled song to a SmartMedia Card set the Current parameter to CARD. To save to a USB device, set this parameter to USB
* Press [F2] SAVE
* Set the data TYPE field to WAV
* Cursor down and Name the wave
* (If desired, navigate to the subdirectory where you want to save the *.wav file.)
* Press [ENTER]
* The ES will ask you which TRACK and NOTE to save as a wave file. Enter the values you selected as the sample destination in the procedure above.
* Press and hold the AUDITION button to make sure your sample is there.
* Press [ENTER] and the Motif ES will export the sample as a .wav to your SmartMedia card or USB device.
Once you have configured Logic which are takes about
3 minutes (and only has to be done once)
and set up the keyboard which takes 30 seconds.
(this has to be done once for each session)
you plug your keyboard into your audio interface then
Hit Record
that is the whole list, two words.
Once it is in Logic, you have many way to edit it
and process if needed. The midi is much
easier to manipulate and there are more
ways than the ES has keys. Plus you can add to the
sounds with the internal instruments which are
as sophisticated and as high quality as the ES.
Then if your happy with it you can create MP3's
and burn Red book compliant CD's for
commercial duplication.
It really is a complete setup.
But at any rate I'm going to do some more research on
another scenario, i.e. what about MAC and Cubase? As
you may know Yamaha just acquired Cubase..
I dont think I would be the best to comment on that.
Maybe ask one of the Gurus on the unofficial
website for Cubase, The Cubinator.
Sorry, I just couldn't resist.
you've been very helpful - thanks again
cheers,
Roya
Cheers!
P.S. I agree with Dave, If you have a Macbook
Pro you dont need another computer. If you
wanta desktop whatever reasons I understand
Oh and btw, what's QWERTY?
They are the first 6 keys (top row/left to right)
on your computer keyboard

Newbie with Hand class problem !!

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