Class UnmodifiableListIterator<E>

  • All Implemented Interfaces:
    java.util.Iterator<E>, java.util.ListIterator<E>, Unmodifiable

    public final class UnmodifiableListIterator<E>
    extends java.lang.Object
    implements java.util.ListIterator<E>, Unmodifiable
    Decorates a list iterator such that it cannot be modified.

    Attempts to modify it will result in an UnsupportedOperationException.

    Since:
    3.0
    • Method Detail

      • umodifiableListIterator

        public static <E> java.util.ListIterator<E> umodifiableListIterator​(java.util.ListIterator<? extends E> iterator)
        Decorates the specified iterator such that it cannot be modified.
        Type Parameters:
        E - the element type
        Parameters:
        iterator - the iterator to decorate
        Returns:
        a new unmodifiable list iterator
        Throws:
        java.lang.NullPointerException - if the iterator is null
      • hasNext

        public boolean hasNext()
        Specified by:
        hasNext in interface java.util.Iterator<E>
        Specified by:
        hasNext in interface java.util.ListIterator<E>
      • next

        public E next()
        Specified by:
        next in interface java.util.Iterator<E>
        Specified by:
        next in interface java.util.ListIterator<E>
      • nextIndex

        public int nextIndex()
        Specified by:
        nextIndex in interface java.util.ListIterator<E>
      • hasPrevious

        public boolean hasPrevious()
        Specified by:
        hasPrevious in interface java.util.ListIterator<E>
      • previous

        public E previous()
        Specified by:
        previous in interface java.util.ListIterator<E>
      • previousIndex

        public int previousIndex()
        Specified by:
        previousIndex in interface java.util.ListIterator<E>
      • remove

        public void remove()
        Specified by:
        remove in interface java.util.Iterator<E>
        Specified by:
        remove in interface java.util.ListIterator<E>
      • set

        public void set​(E obj)
        Specified by:
        set in interface java.util.ListIterator<E>
      • add

        public void add​(E obj)
        Specified by:
        add in interface java.util.ListIterator<E>