Community driven content discussing all aspects of software development from DevOps to design patterns. Java developers have long desired the ability to quickly initialize contents of a List or Set.

Community driven content discussing all aspects of software development from DevOps to design patterns. Here are the most important concepts developers must know when they size Java arrays and deal ...

Class 'ArrayList' is not registered for polymorphic serialization in the scope of 'List'. kotlinx.serialization.SerializationException: Class 'ArrayList' is not registered for polymorphic ...

2.9.0 and 2.8.7 A NullPointerException occured indicating the ArrayList was either null or not of the expected type on Android 11 and 12. Android 10 and below A HashMap is succesfully added to the ...

Creating arrays in PowerShell is a common occurrence for any scripter. Arrays are an important data structure in any language and PowerShell is no different. However, not all arrays are the same. In ...

ArrayList is an heterogeneous collection of objects where each object can be indexed individually. While writing an application there could be some scenarios where we have ArrayList object filled with ...

To reset ArrayList we have two options, one is to use clear() method and another is to use removeAll(). We dont need to worry if size of the ArrayList is small i.e. 10 to 100. But if ArrayList size ...