What is the reflection in Java?

Reflection is a feature in the Java programming language. It allows an executing Java program to examine or “introspect” upon itself, and manipulate internal properties of the program . For example, it’s possible for a Java class to obtain the names of all its members and display them.

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What type of class is Java Lang system?

lang. System class in Java. Among the facilities provided by the System class are standard input, standard output, and error output streams; access to externally defined properties and environment variables; a means of loading files and libraries; and a utility method for quickly copying a portion of an array.

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