(Re)define () in scala [duplicate]

(Re)define () in scala [duplicate]

References

Reference NO 1

http://www.scala-lang.org/api/current/scala/collection/mutable/Map.html

Reference NO 2

https://groups.google.com/d/msg/gatling/8pvrEpaANiM/SmxjKKeT8ZwJ

Reference NO 3

http://stackoverflow.com/questions/13032227/implementing-clone-in-scala

Reference NO 4

http://stackoverflow.com/questions/1025181/hidden-features-of-scala

Reference NO 5

http://stackoverflow.com/questions/2911562/case-class-copy-method-abstraction

Reference NO 6

http://stackoverflow.com/questions/7691971/easiest-way-to-decide-if-list-contains-duplicates

Reference NO 7

http://twitter.github.io/scala_school/coll2.html

Reference NO 8

#EANF#