how to handle threads

[ganeshd]

hello friends,,
m developing an application which i am trying server connection for which i made two classes one separetely for network connection in which i am using threads.
so wen from main program i am giving call(trying to use method of) to another class m getting an error null pointer.but i hav declared all the things that i am using.
i think wen calling a method of another thread main thread culd not recognise that method.
now hoe to suspend main thread or how to handle this

[DevelopmentTeam]

In such case you should have a third class which is updated by both the threads and all functions in it have syncronized keyword. This will help in your case. If the answer is not specific and helpful, please give us a indetailed question regarding this.