1/31/2024 0 Comments Java reflection code example![]() Now that you're generally acquainted with reflection as a theoretical concept, let's proceed to its practical application! We won't learn all of the Reflection API's methods-just the ones that you'll actually encounter in practice. ![]() It provides the ability to inspect classes, interfaces, fields and methods at runtime, without knowing much about. Java reflection is an API which is used to express code which is able to inspect other code in the same system. It's hard to imagine that Java, as a platform, could have achieved such widespread adoption without reflection. Dictionary meaning of reflection: The throwing back by a body or surface of light, heat, or sound without absorbing it. Reflection is used in almost all modern Java technologies. Get and set values of an object's fields by name.Create an instance of a class whose class name is unknown until run time.Find out what methods belong to implemented interface(s).Get information about a class's modifiers, fields, methods, constants, constructors, and superclasses. ![]() Here is a basic list of what reflection allows: You can literally juggle classes and their components. In other words, an understanding how reflection works in Java will open up a number of amazing opportunities for you. Reflection and a logically consistent model for issuing error information make it possible to create correct dynamic code. Reflection lets you work with types that weren't present at compile time, but which became available during run time. Reflection lets you explore information about fields, methods, and class constructors. Reflection ( from late Latin reflexio - to turn back) is a mechanism to explore data about a program while it is running. There is a short, accurate, and popular definition on the Internet. In Java, reflection is implemented using the Java Reflection API.
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