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java Programming Glossary: wildcardsSetting multiple jars in java classpath http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath improve this question If using Java 6 or later classpath wildcards are a part of the JVM. java cp Test.jar lib my.package.MainClass.. document section entitled Understanding class path wildcards Class path entries can contain the basename wildcard character.. be enumerated explicitly in the class path. Expansion of wildcards is done early prior to the invocation of a program's main method..
http://stackoverflow.com/questions/252055/java-generics-wildcards Wildcards I have a couple of questions about Java generic wildcards whats the difference between List extends T and List super T.. question extends T and super T are examples of bounded wildcards. An unbounded wildcard looks like and basically means extends..
How can I add to List<? extends Number> data structures? http://stackoverflow.com/questions/2776975/how-can-i-add-to-list-extends-number-data-structures type T if I read from the list. So now thanks to generics wildcards I can do any of these calls with that single method copy dest..
Multiple wildcards on a generic methods makes Java compiler (and me!) very confused http://stackoverflow.com/questions/3546745/multiple-wildcards-on-a-generic-methods-makes-java-compiler-and-me-very-confu wildcards on a generic methods makes Java compiler and me very confused.. list2 null doNothing list1 list2 compiles fine The two wildcards are unrelated which is why you can call doNothing with a List.. lol and a List String list the analogous two unrelated wildcards situations from TwoListsOfUnknowns In fact the following slight..
http://stackoverflow.com/questions/3847162/java-generics-super-keyword See also Effective Java 2nd Edition Item 28 Use bounded wildcards to increase API flexibility PECS stands for producer extends..
Is there a way to refer to the current type with a type variable? http://stackoverflow.com/questions/7354740/is-there-a-way-to-refer-to-the-current-type-with-a-type-variable as types of variables without resorting to rawtypes or wildcards which defeats the purpose of the pattern . For example if MyClass..
Use of '? extends ' and '? super ' in Collection generics [duplicate] http://stackoverflow.com/questions/12604477/use-of-extends-and-super-in-collection-generics This question already has an answer here Java Generics Wildcards 4 answers Can anybody explain why we use in Collection..
What is the difference between bounded wildcard and type parameters? http://stackoverflow.com/questions/1750273/what-is-the-difference-between-bounded-wildcard-and-type-parameters Joshua Bloch emphisize that you should Avoid Bounded Wildcards in Return Types slide 23 . While bounded wildcards in return..
When to use generic methods and when to use wild-card? http://stackoverflow.com/questions/18176594/when-to-use-generic-methods-and-when-to-use-wild-card sites. If that is the case one should use wildcards. Wildcards are designed to support flexible subtyping which is what we're.. Type parameters support multiple bounds wildcards don't. Wildcards support both upper and lower bounds type parameters just support..
What does List<?> mean in java generics? http://stackoverflow.com/questions/1844770/what-does-list-mean-in-java-generics
Advanced Wildcard Mappings Parameters not found in Prepare() method http://stackoverflow.com/questions/19495332/advanced-wildcard-mappings-parameters-not-found-in-prepare-method Struts2's Advanced Wildcard Mappings Advanced Wildcards From 2.1.9 regular expressions can be defined defined in the.. but it does not work for the parameters set by Advanced Wildcards . They are still null. How to resolve this issue java xml regex..
http://stackoverflow.com/questions/252055/java-generics-wildcards Generics Wildcards I have a couple of questions about Java generic wildcards whats..
Can't cast to to unspecific nested type with generics http://stackoverflow.com/questions/3575681/cant-cast-to-to-unspecific-nested-type-with-generics See also Java Generics Tutorial Generics and Subtyping Wildcards More Fun with Wildcards Angelika Langer's Java Generics FAQ.. Tutorial Generics and Subtyping Wildcards More Fun with Wildcards Angelika Langer's Java Generics FAQ What is a bounded wildcard..
Hidden features of Struts 2 framework [closed] http://stackoverflow.com/questions/4772737/hidden-features-of-struts-2-framework with Struts 2 are mutually exclusive. You cannot use Wildcards and Named Variable patterns at the same application if that.. action names as well as namespaces. More Information Wildcards in namespace maps url values to controller parameters Advanced..
Creating new generic object with wildcard http://stackoverflow.com/questions/9147129/creating-new-generic-object-with-wildcard because of type erasure and have no meaning at runtime. Wildcards exist only because of this limitation. By contrast in C# generic..
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