Java problem

Ok here is some sudo code is this actually possible to do in Java. And if so how thanks.

Class FooBar{
foo(){
       mybutton = new mybutton();
       while (true){
 someMeathodTopauseLoopUntilActionPerformedIsCAlledINMyButton();
       print(hi);
       }
    }
}

Class myButton{
   ActionPerformed(){
       restartLoopInFooBar();
   }
}