troubleshooting Question

java extract key from map and creating sorted set

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Duke001Flag for United Kingdom of Great Britain and Northern Ireland asked on
ProgrammingJava
19 Comments1 Solution302 ViewsLast Modified:
Hi experts,

I am a novice in Java and I would like to extract the values of a map and add them into a sorted set.

Map<String, List<String>> xxx

Thanks

Duke001
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