Java Generics and Collections by Maurice Naftalin Maurice, Philip Wadler

Java Generics and Collections Maurice Naftalin Maurice, Philip Wadler ebook
Page: 288
Publisher: O'Reilly Media
ISBN: 0596527756, 9780596527754
Format: chm

This requires a type argument be passed to a generic class when it is instantiated or passed when a generic method is called. List is a subtype of Collection . Why can I have a method receiving a list with wildcards: public processGenerics(List users){} but I cannot instantiate that same List in a similar way? So here I will attempt a brief description of what generics look like in Java and how to do some of the things you never knew you wanted to do. Extends User> alist = new ArrayList