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Need to know some things on generics
Joined: Aug 06, 2007
Jun 24, 2008 11:57:00
2. List<?super Number>
3. List<? extends Number>
Please explain with example Please....
Jesper de Jong
Joined: Aug 16, 2005
Jun 24, 2008 12:30:00
tutorial on generics
, especially the section about wildcards.
Java Beginners FAQ
JavaRanch SCJP FAQ
The Java Tutorial
Java SE 8 API documentation
I agree. Here's the link:
subject: Need to know some things on generics
Kb question pg 634
Generics ...Please Help.......
Why is List<? super Number> a subtype of List<? super Integer> ?
upper bound wildcard is readonly but lower bound are not
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