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  1. JDK
  2. JDK-8253086

Optimization of removeAll and retainAll of ObservableListWrapper

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      A DESCRIPTION OF THE PROBLEM :
      ObservableListWrapper.java
      public boolean removeAll (Collection <?> C)
      public boolean retainAll (Collection <?> C)

      These two methods use BitSet, but it doesn't make sense.
      By rewriting to the equivalent behavior that does not use BitSet, it is possible to reduce the CPU load in a wide range of use cases.

      We will send you a PR on github, so please issue a JBS number.

      The test is done with the following command.

      * gradle base: test
      * gradle controls: test


            kcr Kevin Rushforth
            webbuggrp Webbug Group
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              Created:
              Updated: