What is a “runtime class” in Java?

Question

Can someone tell me a simple description of what a “runtime class” is and what getClass() does?

Answer 1

A Runtime class in Java is used to interact with the Java runtime environment. Java Runtime class provides methods to execute a process, invoke GC, get total and free memory, etc.

getClass() method returns the runtime class of an object. That class object is locked by static synchronized methods of the represented class.

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