Hi,
When I do some coding on an existing project, I see some code like below inside a java method,
class_name newClass = new class_name(){
implementation of class_name...
};
can anyone explain me what it is and what is purpose of doing this?
Thanks.
Welcome to the Java Programming Forums
The professional, friendly Java community. 21,500 members and growing!
The Java Programming Forums are a community of Java programmers from all around the World. Our members have a wide range of skills and they all have one thing in common: A passion to learn and code Java. We invite beginner Java programmers right through to Java professionals to post here and share your knowledge. Become a part of the community, help others, expand your knowledge of Java and enjoy talking with like minded people. Registration is quick and best of all free. We look forward to meeting you.
>> REGISTER NOW TO START POSTING
Members have full access to the forums. Advertisements are removed for registered users.
LinkBack URL
About LinkBacks
Inner class initialization and declaration Hi,
When I do some coding on an existing project, I see some code like below inside a java method,
class_name newClass = new class_name(){
implementation of class_name...
};
can anyone explain me what it is and what is purpose of doing this?
Thanks.
Re: Inner class initialization and declaration It's an anonymous inner class. Sometimes you need a bare minimum of functionality that fulfils an interface and will only be instantiated once. GUI click-handlers are a perfect example. Usually every clickable control has a unique function - it would be a pain in the bum to write separate classes for each of them and offers a redundant facility: the option to instantiate more than one click-handling object.
Re: Inner class initialization and declaration Additionally, here's some recommended reading:
JavaRanch Campfire - Getting in Touch with your Inner Class
Anonymous inner classClass DefinitionJava Tutorial
Useful links: How to Ask Questions the Smart Way | Use Code Tags | Java Tutorials
Static Void Games - Play indie games, learn from game tutorials and source code, upload your own games!
Reply With Quote
Related threads: