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Conceptual difference between annotation and marker interface.
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Joseph Kulandai
Greenhorn
Joined: Sep 25, 2003
Posts: 3
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Marker interface informs a compiler about a class. Sameway annotation is also gives information about class / method / object.
Then in what way they are different?
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Paul Sturrock
Bartender
Joined: Apr 14, 2004
Posts: 10336
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"JK"
Please check you private messages.
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JavaRanch FAQ HowToAskQuestionsOnJavaRanch
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Ernest Friedman-Hill
author and iconoclast
Marshal
Joined: Jul 08, 2003
Posts: 24054
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Marker interfaces have been a part of Java since the beginning, while annotations were only introduced with Java 5. Everything that can be done with marker interfaces can be done instead with annotations; and in fact, it's now recommended that the "marker interface pattern" not be used any longer. Annotations can have parameters of various kinds, so they're much more flexible.
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[Jess in Action][AskingGoodQuestions]
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subject: Conceptual difference between annotation and marker interface.
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