Add all items in iterator to target collection - Android java.util

Android examples for java.util:Iterable

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Description

Add all items in iterator to target collection

Demo Code

/*/*from  w  w w  . j a  va  2s .c o m*/
 *******************************************************************************
 * Copyright (C) 1996-2015, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
import java.util.Collection;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.regex.Matcher;
import android.icu.text.UTF16;
import android.icu.text.UnicodeSet;
import android.icu.text.UnicodeSetIterator;

public class Main{
    /**
     * Add all items in iterator to target collection
     * @param <T>
     * @param <U>
     * @param source
     * @param target
     * @return
     */
    public static <T, U extends Collection<T>> U addAll(Iterator<T> source,
            U target) {
        while (source.hasNext()) {
            target.add(source.next());
        }
        return target; // for chaining
    }
}

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