int indexOf(Object elem)
Overrides:
int indexOf(Object e, int index)
_INSERT_METHOD_SIGNATURE_HERE_
Description:
Implements interface method List.indexOf.
indexOf(Object elem) method:
Searches for the first occurence of the given argument, testing for equality using the equals method.
indexOf(Object e, int index) method:
Searches for the first occurence of the given argument, beginning the search at index, and testing for equality using the equals method.