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Add integer to list java constructor12/30/2023 ![]() ![]() ("a1 is an instance of " + a1.getClass()) Here it is in action: var a1 = Arrays.asList(1,2,3,4,5,6,7,8,9,10) // immutable list of mutable elements defines the static method asList(), which can be used to create a list that is backed by an array and is therefore also immutable, though its elements are mutable. Two current interesting ways involve two different libraries: and. There have been various ways of instantiating and initializing lists in Java since they were first introduced (I think that was Java 1.5, but please don't quote me). Java: version 11.0.12-open of OpenJDK 11.For this article, I use SDK's releases of: A nice alternative for Linux users is SDKMan, which can be used to get multiple versions of Java, Groovy, and many other related tools. ![]() Otherwise, you can install Groovy by following these instructions. Both a recent and decent version of Java and Groovy might be in your Linux distribution's repositories. Groovy is based on Java and requires a Java installation as well.
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