This is in java and using nodes

/** * Remove the current element from this sequence. * @precondition * isCurrent() returns true. * @postcondition * The current element has been removed from this sequence. * There is no longer any current element. * If there was no following element, then we are at the end. * @exception IllegalStateException * Indicates that there is no current element, so * removeCurrent may not be called. **/ public void removeCurrent( ) { }