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java.lang.Objectorg.apache.commons.collections4.iterators.UnmodifiableIterator<E>
public final class UnmodifiableIterator<E>
Decorates an iterator such that it cannot be modified.
Attempts to modify it will result in an UnsupportedOperationException.
Method Summary | ||
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boolean |
hasNext()
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E |
next()
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void |
remove()
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static
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unmodifiableIterator(Iterator<E> iterator)
Decorates the specified iterator such that it cannot be modified. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static <E> Iterator<E> unmodifiableIterator(Iterator<E> iterator)
If the iterator is already unmodifiable it is returned directly.
E
- the element typeiterator
- the iterator to decorate
IllegalArgumentException
- if the iterator is nullpublic boolean hasNext()
hasNext
in interface Iterator<E>
public E next()
next
in interface Iterator<E>
public void remove()
remove
in interface Iterator<E>
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