java Programming Glossary: wildcard

Why is using a wild card with a Java import statement bad?

http://stackoverflow.com/questions/147454/why-is-using-a-wild-card-with-a-java-import-statement-bad

import java.awt.Canvas ... What is wrong with using a wildcard in the import statement java import wildcard share improve.. with using a wildcard in the import statement java import wildcard share improve this question The only problem with it is that.. . If you import both using the wildcard method one of two things happens You have an outright naming..

Setting 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.. path wildcards Class path entries can contain the basename wildcard character which is considered equivalent to specifying a list..

Java Generics (Wildcards)

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.. between List extends T and List super T What is a bounded wildcard and what is an unbounded wildcard java generics bounded wildcard.. T What is a bounded wildcard and what is an unbounded wildcard java generics bounded wildcard share improve this question..

Java Generics: What is PECS?

http://stackoverflow.com/questions/2723397/java-generics-what-is-pecs

between extends and super java generics super bounded wildcard pecs share improve this question Suppose you have a method..

What is a raw type and why shouldn't we use it?

http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it

parameter given MyType mt2 no warning type parameter given wildcard OK Here MyType E is a parameterized type JLS 4.5 . It is common..

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

share improve this question Sorry but you can't. The wildcard declaration of List extends Number foo3 means that the variable.. 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..