removing all false elements from a linked list in java

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removing all false elements from a linked list in java



I have a linked list of fish data shown here


//create linked list of fish data called fl
LinkedList<FishData> fl = new LinkedList<FishData>();
//Here are a few data items
fl.add(new FishData("American Eel ", 9, "Summer/Spring ", 25 , false));
fl.add(new FishData("Hammerhead Shark ", 0, "All Year ", 36, false));
fl.add(new FishData("Horseshoe Crab ", 7, "All Year except May ", 60, false));
fl.add(new FishData("Haddock ", 18, "All Year ", 0, true));
fl.add(new FishData("Tautog ", 16, "late Spring to end of year ", 3, true));



I have to use an iterator to remove all of the false elements from this list and print it again. I think i understand how it works logically, if my data items were only comprised of booleans i think what i did would work, however i dont know how to look at just the boolean field of the element and remove it if its false. this is what i tried and got a class cast exception, i know what that means i just dont know how to fix it.


Iterator itr = fl.iterator();
while (itr.hasNext())
boolean w = (boolean) itr.next();
if (w = false)
itr.remove();









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