Java Collection Subtract subtract(final Collection a, final Collection b)

Description

subtract

License

Apache License

Declaration

public static <T> List<T> subtract(final Collection<T> a, final Collection<T> b) 

Method Source Code

//package com.java2s;
/**//  ww w  .j a  v  a  2  s .  c om
 * Copyright (c) 2005-2012 springside.org.cn
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 */

import java.util.ArrayList;
import java.util.Collection;

import java.util.Iterator;
import java.util.List;

public class Main {
    public static <T> List<T> subtract(final Collection<T> a, final Collection<T> b) {
        ArrayList<T> list = new ArrayList<T>(a);
        for (Iterator it = b.iterator(); it.hasNext();) {
            list.remove(it.next());
        }
        return list;
    }
}

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