Updating Coordinates to All Clients

Hey all. I was just wondering if someone could give me an outline, or a VERY general explanation of how i should organize this. What I am doing is whenever a client connects to my server (via an applet) they will be able to move a box around with the arrow keys, and they will be able to see everyones boxes that are connected to the server. I'm also not sure whether to use TCP or UDP for this. I'm not sure which is more efficient for a project like this.
I am not asking anyone to program anything for me, I understand how the mechanics of my game are going to work, and i've already built a single player version, except slightly more complicated with a rotating image. I also understand how Sockets, and ServerSockets, and all that stuff works as well. The thing i really need help with is structure and organization of my networked program.
1) Structure
2) TCP vs UDP
I'm looking for something along the lines of this.
Server
*Accepts connections
*Sends connection to a World Object
Client
*Tries to connect to the Server
*Runs the listeners and moves character
*Sends position to server (or something, this is where i'm having trouble, how to update the positions of all my characters)
*Receives others positions(?)
World
*Receives connections and coordinates and relays them to other clients.(?)
*Keeps world attributes to send to other clients(?)
How might one go about tranferring a set of numbers to all clients connected to a server. If in the server i have an ArrayList of sockets to send them to?
Thanks so much for reading this, and i would really appreciate a reply!
Message was edited by:
PaRlOaGn

Well, yes i understand what you're saying, just write the info to output stream. But sending the soldiers coordinates from the client to the server.. I'd need to send some sort of custom packet class through an object stream? Here let me explain: if you have multiple clients connected, say 6 people. And i have an ArrayList of coordinates, the client has to KNOW it's position in the ArrayList for starters, then send it's position logged with it's current coordinates through an output stream, then send the WHOLE ArrayList to all the clients once it reaches the server... i'm just confused as to a good way to do that.. I understand how streams work... yeesh.

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Hi,
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Hi ,
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Hi
I need to Reset Password on ALL clients within current system for logged on User.
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Regards

Got a Program for this. Am just pasting the code..try it
TABLES: T000, USR02.
DATA: BEGIN OF I_USR02.
        INCLUDE STRUCTURE USR02.
DATA: END OF I_USR02.
SELECTION-SCREEN BEGIN OF BLOCK STANDARD
                 WITH FRAME TITLE TEXT-001
                 NO INTERVALS.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT (23) TEXT-005.
SELECTION-SCREEN END   OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT (23) TEXT-004.
PARAMETERS NO RADIOBUTTON GROUP RAD1.
SELECTION-SCREEN COMMENT (23) TEXT-002.
SELECTION-SCREEN END   OF LINE.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT (23) TEXT-005.
PARAMETERS YES RADIOBUTTON GROUP RAD1.
SELECTION-SCREEN COMMENT (23) TEXT-003.
SELECTION-SCREEN END   OF LINE.
SELECTION-SCREEN END OF BLOCK STANDARD.
MAIN PROGRAM
IF NO = 'X'.
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ELSE.
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          WRITE : 5 USR02-BCODE COLOR 6 INVERSE.
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ENDIF.
TOP-OF-PAGE.
NEW-PAGE NO-TITLE NO-HEADING.
PERFORM LISTTITEL.
TOP-OF-PAGE DURING LINE-SELECTION.
PERFORM LISTTITEL.
      FORM CHANGE_PASSWORD                                          *
FORM CHANGE_PASSWORD.
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ENDSELECT.
IF SY-SUBRC NE 0.
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      BCDA3 = I_USR02-BCDA3
      CODV3 = I_USR02-CODV3
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      FORM LISTTITEL                                                *
FORM LISTTITEL.
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SKIP.
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ULINE AT (73).
WRITE: /(73) SPACE COLOR COL_HEADING INTENSIFIED.
WRITE: 1 'Cl.' COLOR COL_HEADING INTENSIFIED.
WRITE: 4 SY-VLINE.
WRITE: 5 'Encrypted Password' COLOR COL_HEADING INTENSIFIED.
WRITE: 23 SY-VLINE.
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WRITE: 50 'Last Used' COLOR COL_HEADING INTENSIFIED.
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WRITE: 73 SY-VLINE.
ULINE /(73).
ENDFORM.                               " LISTTITEL
Regards

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Hello,
KNVK-ADRNP_2
use this to pass to the bapi BAPI_BUPA_ADDRESS_GETDETAIL. this is function module & will return the address details in diff itabs..
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*************Reward points,if found useful

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