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java.lang.reflect.*

This category is about reflection. Reflection is a way of getting information about a particular class from the .class file. You'll sometimes here the term introspection. Introspection is a JavaBeans technology and can use the BeanInfo class to get its information. With reflection, the class file is parsed. Check out the example programs and the following links for more information.

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      Questions & Answers
      = answered, = unanswered

      General:

        What is the difference between reflection and introspection?
        What is reflection and how do I use it in Java?
        How do I create an instance of a primitive type using reflection?
        How do I instantiate a class given its name as a String?
        How do I instantiate an array using reflection?
        How do I instantiate an inner class using reflection?
        How can I access the private members of a class using reflection?
        How do I access array elements through reflection?
        How do I execute a method using reflection?
        How do I execute a method that takes a parameter of type (n-dimensional) array using reflection?
        How do I dynamically compile a Java source file and execute a method on it?
        What is the cost of invoking a method through reflection as opposed to invoking it normally?
        How do I get a list of all declared fields and values in an Object?
        How do I get a list of the public constructors of a class through reflection?
        How do I get a list of all constructors of a class through reflection?
        How do I get a list of all methods of a particular class through reflection?
        How do I get a list of the public methods of a particular class through reflection?
        How do I get the returntype of a method through reflection?
        How do I get started with writing a dynamic proxy class?
        How do I change the elements in an array declared private?


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