Java Iterable First getFirst(Iterable c)

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Description

get First

License

Open Source License

Declaration 

public static <T> Object getFirst(Iterable<T> c)

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2008 The University of York.
 * 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
 * /*from  ww w  .  ja  va  2 s . c  o m*/
 * Contributors:
 *     Dimitrios Kolovos - initial API and implementation
 ******************************************************************************/

import java.util.Iterator;

public class Main {
    public static <T> Object getFirst(Iterable<T> c) {
        final Iterator<T> it = c.iterator();
        if (!it.hasNext()) {
            return null;
        } else {
            return it.next();
        }
    }
}

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  6. getFirst(Iterable iterable)
  7. getFirst(Iterable iterable)
  8. getFirst(Iterable iterable)
  9. getFirst(Iterable iterable, T defaultValue)