Tutorial by Topics: generic



Generics are a facility of generic programming that extend Java's type system to allow a type or method to operate on objects of various types while providing compile-time type safety. In particular, the Java collections framework supports generics to specify the type of objects stored in a collection instance.

A List can hold numbers, words or really anything. That's why we call the List generic.

Generics are basically used to define which types a class can hold and which type an object currently holds.

Generic views are views that perform a certain pre-defined action, like creating, editing or deleting objects, or simply showing a template.

Generic views have to be distinguished from functional views, which are always hand-written to perform the required tasks. In a nutshell, it can be said that generic views need to be configured, while functional views need to be programmed.

Generic views may save a lot of time, especially when you have many standardized tasks to perform.


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