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by Macha
5059 days ago
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> List<String> myList = Arrays.asList("one", "two", "three"); This is often not good enough, as Arrays.asList returns some internal immutable List type. If you then tried to do something like myList.add("four"); you'd get an exception. What you'd actually need to do is something more like: > List<String> myList = new ArrayList<String>(Arrays.asList("one", "two", "three")); Compare that to more dynamic languages, where that example would be: > myList = ["one", "two", "three"] Yes, it's a trivial example, but it's something many programs involve all over the place, and the boilerplate adds up a tedious task. |
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