deadlock and thread

From:
focode <programarunesh@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 1 Dec 2009 06:56:25 -0800 (PST)
Message-ID:
<0f04e85c-b7c9-4d5c-b62b-d3b2f1548c2b@z3g2000prd.googlegroups.com>
i am a j2me programmer and facing some problem , problem statement is
as follows ..

i have "main" java program usually called as midlet , and several
other java programs which is called by the main program to perform
several task such as sending and receiving sms etc.

my main program send sms to a particular number eg "53030" and waits
for sms to be received in the j2me application , sms comming from
server takes some time , in the mean time , my application is hanged ,
and as soon as the sms is received , hanging problem or deadlock
situation come to an end , if i use threads i think this problem will
be eliminated , i need suggestion as to how to implement thread and
eliminate my problem .

sms recieving program contains a mandatory fuction, that does the job
of listening the sms .

any solution will be of general type as it is implemented in j2se .

pseudo implementation of the programs are as follows :

// structure of main program
public class main_program
{

    public static void main (String str[])
             {

                  sms s = new sms() // when this fuction is called my
application goes into deadlock state
                   String sms_recevied = s.listen(); // calling the
sms class to receive sms
                   System.out.println(sms_recevied); // printing the
sms received
            }
}
  // structure of the sms listenning program
public class sms
{
        String listen()
                  {
                         String sms_recieved = // incoming sms is
recieved here

                        return sms_recieved;

                   }
}

if any one can help me to implement it through java thread so that no
deadlock occurs.

thanks and regards
Arunesh

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