Data structures are an essential part of every program. You always have to manage the data that you store in a data structure. Arrays, lists, or trees are examples of common data structures. The Java API provides a lot of ready-to-use data structures, but when you work with concurrent applications, you have to be careful because not all structures provided by the Java API are thread-safe. If you choose a data structure that is not thread-safe, you can have inconsistent data in your applications.
When you want to use a data structure in your concurrent application, you have to review the documentation of the class that implements that data structure to check that it supports ...