net.hydromatic.lambda.streams

Class Iterables

java.lang.Object

net.hydromatic.lambda.streams.Iterables

public final class Iterables
extends Object

Utilities for Iterable.

Based on API of java.util.Iterables in OpenJDK 8.

Method Summary

Modifier and Type	Method and Description
static <T> T	only(Iterable<T> iterable) Returns the only element of an iterable.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

only

public static <T> T only(Iterable<T> iterable)

Returns the only element of an iterable.

Throws:

NoSuchElementException - if this Iterable contains no elements.

IllegalStateException - if this Iterable contains more than one element.