Lazy Diary @ Hatena Blog

PowerShell / Java / miscellaneous things about software development, Tips & Gochas. CC BY-SA 4.0/Apache License 2.0

Entries from 2017-08-01 to 1 month

How to join nested collections with Stream API

For example, in PushOperation.java in EGit, PushOperationSpecification contains LinkedHashMap<URIish, Collection<RemoteRefUpdate>>. So you can join all remote name with Stream API like: String specs = this.specification.getURIs().stream() .map(uri -> this.specification.getRe</uriish,>…