feat: add streams concept #2983
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Hey @navaneedan07, @jagdish-15 has commented in #2982 to create a forum post for this one. Assuming the streams concept is added, we should also add a concept exercise to give students the chance to practice using it.
Co-authored-by: Kah Goh <[email protected]>
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@navaneedan07, did you want to have a go at coming up with a concept exercise for streams? Concepts are generally accompanied by a concept exercise to allow students to practice.
See Implement a Concept Exercise for details or have a look at captain's log for an example. You're also welcome to post questions here 😉
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| { | |||
| "blurb": "Java Streams provide a powerful way to process collections using a functional approach.", | |||
| "authors": ["Navaneedan S"], | |||
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For Exercism to award you reputation points, this should be your Github username navaneedan07.
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| # About Streams | |||
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The about is missing the information contained in the introduction (e.g. being able to get a stream with List.stream(), examples of how to get and use streams, etc.).
The about.md instead of the introduction.md is shown after the student finishes the concept. It should contain at least the same information from the introduction.md, although it can go into greater detail (see File: about.md for a greater description).
I also recommend looking at existing concepts and their introduction.md and about.md to get a feel of it.
| List<String> filtered = names.stream() | ||
| .filter(name -> name.startsWith("A")) | ||
| .collect(Collectors.toList()); | ||
| // filtered is ["Akash"] |
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Wasn't sure if this is still a work in progress - the closing triple backticks are missing 😅. If not, I think it would be great to have examples for map and reduce since they are also mentioned.
pull request
Closes #2982
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