Exception in thread “main“ java.lang.UnsupportedOperationException error handling

The List collection uses the add and remove methods to report UnsupportedOperationException.

Original code:

Cause of Error
This List is initialized by Arrys.asList(). The Arrays class inherits the AbstractList abstract class. It only implements the get/set method, but does not implement the add/remove method. Solution End
Sahua

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