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Index of Code Samples

Reflection API Code Samples

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The Reflection API represents or reflects the classes, interfaces, and objects in the Java virtual machine. (JVM¹).

Arrays
Examining Classes
Manipulating Objects

Arrays

array2.java creates a 10-long array of Strings and sets location 5 in the array to a string value. The value is retrieved and displayed. For supporting information see Using Java Reflection.

Examining Classes

constructor1.java determines which constructors are defined in a given class. For supporting information see Using Java Reflection.
find1.java determines which data fields are defined in a given class. For supporting information see Using Java Reflection.
instance1.java checks to see which objects are instances of a given class. For supporting information see Using Java Reflection.
method1.java determines which methods are defined in a given class. For supporting information see Using Java Reflection.

Manipulating Objects

field2.java changes the value of data fields in objects. For supporting information see Using Java Reflection.
Method interposing example shows how to use the common interface provided by the Proxy class to encode and dispatch a method invocation to another object.
method2.java invokes a specific method by its name. For supporting information see Using Java Reflection.
constructor2.java finds a constructor that handles the specified parameter types and invokes it to create a new instance of the object. For supporting information see Using Java Reflection.

¹ As used on this web site, the terms Java virtual machine or JVM mean a virtual machine for the Java platform.

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