Java JNI Interview Question:

Describe exception handling in JNI?

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JNI exceptions can be handled by using C++ exception handling. Using throw and catch blocks of C++ and invoking those methods through JNI is one of the solutions. JNI has built in functions for handling exceptions, which is a better choice.

The following methods can be used for handling exceptions:

throw() : An exception object is thrown. It is used in native method for rethrowing an exception

throwNew() : Creates a new object of an exception and throws it.

exceptionDescribe() : The stack trace and the exception will be printed

exceptionOccurred() : It is used for determining whether an exception is thrown

exceptionClear() : A pending exception will be cleared

fatalError() : A fatal error is raised and does not return anything.
Submitted by: Administrator