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Java > Learn Java > What is reflection and what is its use in Java?
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What is reflection and what is its use in Java?

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to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time
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The name reflection is used to describe code which is able to inspect other code in the same system (or itself). For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed...
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The name reflection is used to describe code which is able to inspect other code in the same system (or itself). For example, say you have an object of an unknown type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called 'doSomething' and then call it if you want to. read less
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Reflection is an API in java , you can say reflection API is like mirror. using reflection api you can get all the information of class . For example : you can find how many methods/annotation available in particular class.and their name, argument . ..etc..
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Its generally meant for redefining the definition of objected oriented features in more depth to intensify its object oriented design.
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Java Reflection is a process of examining or modifying the run time behavior of a class at run time. The java.lang.Class class provides many methods that can be used to get metadata, examine and change the run time behavior of a class. The java.lang and java.lang.reflect packages provide classes...
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Java Reflection is a process of examining or modifying the run time behavior of a class at run time. The java.lang.Class class provides many methods that can be used to get metadata, examine and change the run time behavior of a class. The java.lang and java.lang.reflect packages provide classes for java reflection. Where it is used The Reflection API is mainly used in: IDE (Integrated Development Environment) e.g. Eclipse, MyEclipse, NetBeans etc. Debugger Test Tools etc. read less
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Reflection is meant to load class at runtime without making it's object
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Java Reflection makes it possible to inspect classes, interfaces, fields and methods at runtime, without knowing the names of the classes, methods etc. at compile time. It is also possible to instantiate new objects, invoke methods and get/set field values using reflection
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