RFR: 8057543: Replace javac's Filter with Predicate (and lambdas) [v2]

[Guoxiong Li]

On Thu, 22 Apr 2021 13:45:36 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> Guoxiong Li has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains five commits:
>> 
>>  - Remove file Filter.java
>>  - Update copyright
>>  - Merge branch 'master' into JDK-8057543
>>    
>>    # Conflicts:
>>    #	src/jdk.compiler/share/classes/com/sun/tools/javac/parser/Tokens.java
>>  - Add comments.
>>  - 8057543: Replace javac's Filter with Predicate (and lambdas)
>
> I agree that all these issues have been fixed - sorry - I thought these issues wanted to replace the various interfaces with interfaces from `j.u.function` (as done in this patch) - but these were about using lambda expressions more where possible - yeah I fixed that long ago.

@mcimadamore OK, I closed them just now.

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PR: https://git.openjdk.java.net/jdk/pull/1898