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       #Post#: 24--------------------------------------------------
       Note that the above example 
       By: asim roy Date: September 12, 2023, 6:43 am
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       That will next be accessed by the iterator. Method used to check
       if the next element in the collection is accessible. If the
       collection is empty or the end of the collection has been
       reached, this method should return because the next element is
       not available. Object Next This method actually returns the next
       element in the collection associated with the iterator. If the
       next element is not available, an error is raised. Loops and
       Conditional Blocks Students also learn Note that you cannot use
       iterators in loops because they do not expose any positional
       information such as the index of the next element in the
       collection.
       When the corresponding collection is expected to have only one
       element or you are only interested in the first element of the
       collection, you can use an iterator Phone Number List
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       in a block Iterator Object Element If
       the iterator is implemented as a corresponding collection that
       is not provided for regular access This is especially true if
       the result of a method is obtained, as shown in the example
       above. Other elements in the set either do not exist or are
       considered irrelevant and thus discarded. In Learning
       Programming from Scratch Usage of Generics In the above code
       snippet, the next element obtained from the iterator is of the
       generic type. You must typecast it to a specific object type to
       use it correctly.
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       As shown in the following code example Certain collection
       objects, such as Object , etc Iterator Object Date Date do
       something with a date object Starting with , generics are
       supported as part of the core language functionality. Using
       generics, you can avoid the above type conversion mechanism to
       get a more defined and therefore error-free construction, like
       this Certain collection objects, such as Object's, etc. Date do
       something with Date objects.  There are no type conversion
       operations.
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