Ocaml applications

"[email protected] [ocaml_beginners]" <[email protected]>
Newsgroups gmane.comp.lang.ocaml.beginners
Message-ID <[email protected]>
Hi all,
 These questions might have been asked many times.I planning to learn Ocaml. 
 1)What are typical use cases Ocaml excels at ? I came to know its used mainly in scientific programming.
 2)How is performance of Ocaml compared with C++,Java,Erlang ? I am not asking benchmark figures but in general.
 Regards
 PK
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