http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
package org.bouncycastle.util;

import java.util.Iterator;


Utility class to allow use of Iterable feature in JDK 1.5+

/**
 * Utility class to allow use of Iterable feature in JDK 1.5+
 */
public interface Iterable<T>
    extends java.lang.Iterable<T>
{
    
Returns an iterator over a set of elements of type T.

Returns:an Iterator.
/**
     * Returns an iterator over a set of elements of type T.
     *
     * @return an Iterator.
     */
    Iterator<T> iterator();
}