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<0> hello ... i have a question about p***ing objects using sockets <1> I have an answer about p***ing objects using sockets. want to trade? <0> heeeheee <0> no really <0> what i am trying to do is build a simple client that establishes a connection a a simple server and p***es one object and the server just print that object out <0> that is all <1> how far did you get? <0> very far but i think i have problem in understanding how the object is p***ed <0> i compiled both codes <0> the client and the server <0> but i am getting an error running the client <0> i think i am not p***ing the object the right way <1> which error would that be? <0> wanna see my code? <0> probably i am doing something wrong <1> I guess. stick it on rafb.net/paste or something
<0> Exception in thread "main" java.lang.NullPointerException <0> at Client.Send(Client.java:44) <0> at Client.<init>(Client.java:20) <0> at Client.main(Client.java:60) <1> what is Client.java line 44? <0> i posted the code <0> line 44 is <0> outputStreamToServer.writeObject(x); <1> paste the urls from the pastebins here <0> ok <0> http://rafb.net/p/hDRgan91.html <1> you never instantiate outputStreamToServer <1> do something like outputStreamToServer=new ObjectOutputStream(socket.getOutputStream()); <0> i did <0> see the code <1> I can't see it there, which line? <0> oppps <0> you are rightr <0> let me add it <0> and see <0> i will let you know <0> ok the Client worked but when it sent the object <0> an error happened in the server <1> is it the same kind of error? <0> not exactly <0> here it is and i am going to post my server code too <0> Exception in thread "main" java.lang.Cl***CastException: chatMsg cannot be cast <0> to java.lang.String <0> at Server.listen(Server.java:44) <0> at Server.<init>(Server.java:15) <0> at Server.main(Server.java:63) <0> here is the code <0> http://rafb.net/p/2v4RCK75.html <1> is a String you want to read? <1> or is it a chatMsg <0> what i am really interested is am i p***ing the object chatMsg correctly <0> i want to read the object x which is from the type chatMsg back in the server <1> now you're trying t read the object x which is of the type String <1> thus the String aLine = (String) blah part <0> no it is a type that i created <0> it is an instant of the cl*** chatMsg <0> which is in a seprate file <1> look at line 43 and 44. does it say chatMsg anywhere? <0> ok <0> i will look <1> just replacing "String" with "chatMsg" should fix most it <0> so if i define aLine as chatMsg that would work? <0> nice <0> i will try <0> and will let you know <1> you'll probably want to print something like aLine.getChatText() or whatever instead of aLine itself too <1> unless chatMsg has a toString method <0> wow <0> **** that worked <0> thannnnks <1> weee <0> how can i <0> treat you <1> dance for me <0> i mean i really would love to treat you some how <0> heeeheeee
<0> man you are helpfull <1> and make it slow <0> heeeeheee <0> but i am a man <0> unless if that does not matter to you <0> lol <1> slap on some lipstick and it'll be fine <0> anyways man thank you ... you know it is just i was not sure i was doing the p***ing right <1> np <0> i though i was not understanding the concept right <2> hey <2> I'm having a wierd problem in JDEV, I'm using learningIO... <2> It won't read inside of an if in a while. <2> while (stuff) { if (stuff) { variable = LearningIO.readChar(); } } <2> when i debugg i get (out of scope) <2> what does that mean? <2> it just skips right past asking for it, and goes back to the beginning of the while <1> well, LearningIO is not a standard cl*** so you'd have to link to it <2> um... no but i might be able to find one <2> er <2> wait what? <2> sorry i misread that <2> link to it how? <1> a http link to the .jar/.cl***/.java <1> plus perhaps your own code <2> ... <2> it already works. <2> I can use it outside of the if <2> but once I'm in the if it doesn't work. <1> if I had the cl*** I could test it <1> maybe it's just something with your code that's not LearningIO related. try posting it on rafb.net/paste (and paste the link here) <2> http://rafb.net/p/HLA62c60.html <2> you can take the comment//'s out before the println <2> doesn't make a difference <2> anything look wrong? <1> Darkkish: the problem is that the readChar() in the if-statement reads the Enter you pressed after inputting 'a' <2> hmm <2> how would i fix that? <1> you can do char myChar=moo.readLine().charAt(0); instead <1> to read an entire line and then use the first char <2> lol well you're positive it wouldn't just read the enter as the line? <1> I mean you'd do that every place you want to read a single char <2> I got some kind of exception <2> java.lang.StringIndexOutOfBound***ception: String index out of range: 0 <1> remember to replace line 14 too <2> oh <2> awesome <2> thanks <2> so why is readChar doing that by its self? <1> if you press "a\n" then readChar will read 'a' and '\n' <2> well thats lame... <2> oh well, thanks. <2> koala_man do you know mIRC script? <1> nope <2> in mIRC you can go: if ("rawr" isin string) { } <2> isin means it will search the string for the text rawr <2> is there a way to do that in java? <2> some method? <1> if(myString.indexOf("rawr") != -1) <1> or if(myString.matches(".*rawr.*")) <2> what is myString? <2> oh wait nvm <2> lol <2> thanks <2> hmm <2> how can i make an infinite loop? <2> for (" ") { //right? <1> while(true) .. <2> oh thanks <2> i like that better <1> or for(;;) <2> do you use for, or while more in java? <1> dunno. for probably. <2> oh
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