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- Die Wildcard (selten auch Joker) <span class="o">?</span> ist in Java ein spezieller aktueller Typparameter für die Instanziierung generischer (parametrisierter) Typen. In diesem Artikel werden die wichtigsten Regeln für seine Verwendung zusammengefasst. (de)
- In the Java programming language, the wildcard ? is a special kind of type argument that controls the type safety of the use of generic (parameterized) types. It can be used in variable declarations and instantiations as well as in method definitions, but not in the definition of a generic type. This is a form of use-site variance annotation, in contrast with the definition-site variance annotations found in C# and Scala. (en)
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- Die Wildcard (selten auch Joker) <span class="o">?</span> ist in Java ein spezieller aktueller Typparameter für die Instanziierung generischer (parametrisierter) Typen. In diesem Artikel werden die wichtigsten Regeln für seine Verwendung zusammengefasst. (de)
- In the Java programming language, the wildcard ? is a special kind of type argument that controls the type safety of the use of generic (parameterized) types. It can be used in variable declarations and instantiations as well as in method definitions, but not in the definition of a generic type. This is a form of use-site variance annotation, in contrast with the definition-site variance annotations found in C# and Scala. (en)
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- Wildcard (Java) (de)
- Wildcard (Java) (en)
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