The UnknownEntityException class extends RuntimeException and is a superclass of unknown exceptions. The class constructor is as follows:

protected UnknownEntityException(String message)

The constructor creates a new instance of UnknownEntityException with the message provided as a string argument. The method does not take additional arguments.

This class does not have its own methods, but inherits methods from both the java.lang.Throwable and class.java.lang.Object classes, as shown here:

The java.lang.Throwable class methods are as follows:

• addSuppressed()
• fillInStackTrace()
• getCause()
• getLocalizedMessage()
• getMessage()
• getStackTrace()
• getSuppressed()
• initCause()
• printStackTrace()
• setStackTrace()
• toString()

The java.lang.Object class methods are as follows:

• clone()
• equals()
• finalize()
• getClass()
• hashCode()
• notify()
• notifyAll()
• wait()