What Is Unsupportedoperationexception?

1.	What Is Unsupportedoperationexception?
Answer» This EXCEPTION is THROWN on INVOKED methods which are not supported by actual collection type. For EXAMPLE, if you make a read-only list list using “Collections.unmodifiableList(list)” and then call add() or remove() method, what should happen. It should clearly throw UnsupportedOperationException. This exception is thrown on invoked methods which are not supported by actual collection type. For example, if you make a read-only list list using “Collections.unmodifiableList(list)” and then call add() or remove() method, what should happen. It should clearly throw UnsupportedOperationException.

Answer»

This EXCEPTION is THROWN on INVOKED methods which are not supported by actual collection type.

For EXAMPLE, if you make a read-only list list using “Collections.unmodifiableList(list)” and then call add() or remove() method, what should happen. It should clearly throw UnsupportedOperationException.

This exception is thrown on invoked methods which are not supported by actual collection type.

For example, if you make a read-only list list using “Collections.unmodifiableList(list)” and then call add() or remove() method, what should happen. It should clearly throw UnsupportedOperationException.

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