Java Collection Iterate through a Collection via ArrayList with Iterator - Java Collection Framework

Java examples for Collection Framework:Iterator

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Description

Java Collection Iterate through a Collection via ArrayList with Iterator

Demo Code

import java.util.Collection;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.text.DateFormatSymbols;

public class OysterMonths {
    Collection<String> safeMonths;

    public Collection<String> filter(Collection<String> c) {

        Collection<String> filteredCollection = new ArrayList<String>();

        for (Iterator<String> i = c.iterator(); i.hasNext();) {
            String s = i.next();/*from w w  w .j  a v  a 2s  .co m*/
            if (condition(s)) {
                filteredCollection.add(s);
            }
        }
        return filteredCollection;
    }

    public boolean condition(String s) {
        return s.contains("r");
    }

    public static void main(String[] args) {
        OysterMonths om = new OysterMonths();
        DateFormatSymbols dfs = new DateFormatSymbols();
        String[] monthArray = dfs.getMonths();
        Collection<String> months = Arrays.asList(monthArray);
        om.safeMonths = om.filter(months);
        System.out.println("The following months are safe for oysters:");
        System.out.println(om.safeMonths);
    }
}

/*
 * Copyright (c) 1995, 2008, Oracle and/or its affiliates. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

Result


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