Lists: do you know the nature of yours? The strange story of a data container in Java

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  • jdk17

    Discontinued JDK 17 development

    Lists are among the most used data structures in various programs but, in Java, the choices are limited even if the evolution of the language has led to new elements. To date, the main type of list used is the ArrayList. Other types of lists would also be present (such as SkipLists) but they have been used for different purposes and, given their nature, to effectively build other types of data structures. Still others such as elements deriving from the Dynamic Arrays are hidden in the internals of the JDK!

  • Guava

    Google core libraries for Java

    The first problem is at the level of Type System, given that a situation more correct would allow us to distinguish through the Collection Type which abstraction we are operating with, species if definable as mutable or immutable. The JCF was born at a time when great care was taken to offer immediate operational data structures, and with attention to performance, but with less attention to constructs or uses that are now seen as common. These concepts have been taken up by other infrastructures from which we certainly cannot fail to mention: Eclipse Collection, Guava Collections, and VAVR.

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    The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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