Java Utililty Methods Iterable

List of utility methods to do Iterable

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Description

The list of methods to do Iterable are organized into topic(s).

Method

StringtoFriendlyString(Iterable iterable, String seperator)
Turns every element of the iterable into a friendly string which can be used in a statement 
Iterator<?> iter = iterable.iterator();
StringBuilder builder = new StringBuilder();
while (iter.hasNext()) {
    Object next = iter.next();
    builder.append(next);
    if (iter.hasNext())
        builder.append(seperator);
return builder.toString();
Tunique(Iterable source, T defaultElement)
Gets either the only element or the default one. 
T element = defaultElement;
if (source != null) {
    Iterator<T> i = source.iterator();
    if (i.hasNext()) {
        element = i.next();
        if (i.hasNext()) {
            throw new IllegalStateException("Element not unique!");
return element;
Iterator[]valueOfMultiple(Iterable... iterables)
Returns a List of the Iterator s related to the given Iterable s 
List<Iterator<E>> retlist = new ArrayList<Iterator<E>>();
if (iterables != null) {
    for (Iterable<E> iterable : iterables) {
        if (iterable != null) {
            Iterator<E> iterator = iterable.iterator();
            if (iterator != null) {
                retlist.add(iterator);
return retlist.toArray(new Iterator[0]);