What is an IllegalStateException?
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What is an IllegalStateException?
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An IllegalStateException is a kind of runtime exception. It is used to indicate that a method has been invoked on an object that is not in an appropriate state to perform the requested operation. This means that the method has been invoked at an inappropriate time.
Following constructors are used to represent an IllegalStateException:
It constructs an IllegalStateException without any detailed message.
It constructs an IllegalStateException with a detailed message specified by the string str.
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