将值从一个jframe传递到另一个jframe？

i created two classes one class is just like form the other class is main class and having jmenu and jinternal frames i want to print the input from the form class on the jinternal frame but i cannot understand how i recall the jinternalframe in the form classes, please guide me in this regard or any hint or some piece of code or tutorial that can help me here is code of both the classes. Moreover both classes are working fine .i created two classes one class is just like fo