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https://issues.apache.org/jira/browse/NET-554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14228592#comment-14228592
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Sebb commented on NET-554:
--------------------------
This would require changing the parent class implementation to remove the
abstract modifier.
According to:
https://docs.oracle.com/javase/specs/jls/se7/html/jls-13.html#jls-13.4.16
removal of the abstract modifier does not break binary compatibility (but
adding it would).
> Simplify TelnetOptionHandler class hierarchy
> --------------------------------------------
>
> Key: NET-554
> URL: https://issues.apache.org/jira/browse/NET-554
> Project: Commons Net
> Issue Type: Improvement
> Components: Telnet
> Reporter: Sebb
> Priority: Minor
>
> The TelnetOptionHandler class contains the following abstract methods:
> answerSubnegotiation
> startSubnegotiationLocal
> startSubnegotiationRemote
> In almost all the sub-classes, the implementation returns null.
> The code could be simplified by returning null in the parent class and
> dropping the sub-class implementations that just return null.
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