10.10.2 static Interface Methods
Prior to Java SE 8, it was common to associate with an interface a class containing static
helper methods for working with objects that implemented the interface. In Chapter 16, you’ll learn about class Collections
which contains many static
helper methods for working with objects that implement interfaces Collection
, List
, Set
and more. For example, Collections
method sort
can sort objects of any class that implements interface List
. With static
interface methods, such helper methods can now be declared directly in interfaces rather than in separate classes.
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