ArrayListBenchmark.java

public class ArrayListAddBenchmark extends ListBenchmark {

    @Override
    protected List<Object> newInstance() {
        return new ArrayList<Object>();
    }
}

LinkedListBenchmark.java

public class LinkedListBenchmark extends ListBenchmark {

    @Override
    protected List<Object> newInstance() {
        return new LinkedList<Object>();
    }
}

ListBenchmark.java

abstract class ListBenchmark {

    List<Object> list;

    @Setup(Iteration)
    public void setupIteration() {
        list = newInstance();
    }

    abstract protected List<Object> newInstance();

    @GenerateMicroBenchmark
    public boolean add() {
        return list.add(new Object());
    }
}