CODEWITHSUNDEEP
javaiterator
Scorpion
Scorpion

Reputation: 587

method next() of an iterator

When I obtain iterator over an ArrayList and use the method next() on it, does it return only next element or it return and remove elements from the iterator. like

Iterator i = list.iterator();
while(i.hasNext())
    System.out.print(i.next()+" ");

Upvotes: 0

Views: 839

Answers (1)

peter.petrov
peter.petrov

Reputation: 39477

Calling next() just moves a pointer to the next element
and returns the element. It does not remove any elements.

For more details see here.

http://en.wikipedia.org/wiki/Iterator#Java

http://docs.oracle.com/javase/7/docs/api/java/util/Iterator.html

Iterators also have a remove() method. That method removes elements.

Upvotes: 5

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