Bounded wildcard is a type argument of the form "? extends T" or "? super T". Bounded wildcards are a feature of generics in the Java language.
I want to have a Class object, but I want to force whatever class it represents to extend class A …
java class generics bounded-wildcardI came across PECS (short for Producer extends and Consumer super) while reading up on generics. Can someone explain to …
java generics super bounded-wildcard pecsConsider this code: public class DummyClass { public List<? extends Number> dummyMethod() { return new ArrayList<Integer>(); } } public …
java unit-testing generics mockito bounded-wildcardI have a couple of questions about generic wildcards in Java: What is the difference between List<? extends T&…
java generics bounded-wildcardI have a Java question about generics. I declared a generic list: List<? extends MyType> listOfMyType; Then in …
java list generics bounded-wildcardWhat does List<?> mean, does it mean simply a list of objects of unspecified type? Googling for the …
java generics bounded-wildcardRecently, I read this article: http://download.oracle.com/javase/tutorial/extra/generics/wildcards.html My question is, instead of …
java api generics bounded-wildcardHow come one must use the generic type Map<?, ? extends List<?>> instead of a simpler Map&…
java generics bounded-wildcard unbounded-wildcardI am about to create a factory which creates objects of a certain type T which extends a certain class …
java generics types bounded-wildcardI know there's all sorts of counter-intuitive properties of Java's generic types. Here's one in particular that I don't understand, …
java generics language-design bounded-wildcard