Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2006, 2014 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Mike Kucera (IBM Corporation) - initial API and implementation
 *     Sergey Prigogin (Google)
 *     Nathan Ridge
 *******************************************************************************/

import java.util.Iterator;

public class Main {
    /**
     * Creates an Iterable instance that just returns the given Iterator from its iterator() method.
     * 
     * This is useful for using an iterator in a foreach loop directly.
     * 
     * <p>
     * Example use:
     * <pre>
     *     for (Object o : iterable(iterator)) { ... }
     * </pre>
     * 
     * @throws NullPointerException if list is {@code null}
     */
    public static <T> Iterable<T> iterable(final Iterator<T> iter) {
        if (iter == null)
            throw new NullPointerException("iter parameter is null"); //$NON-NLS-1$

        return new Iterable<T>() {
            @Override
            public Iterator<T> iterator() {
                return iter;
            }
        };
    }
}