Java Collection Contain containsAny(Collection collection1, Collection collection2)

License

Parameter

Return

Declaration

public static <A> boolean containsAny(Collection<A> collection1, Collection<A> collection2) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2016 Pablo Pavon-Marino.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v2.1
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 *
 * Contributors://from   www.j a v  a2  s.c o  m
 *     Pablo Pavon-Marino - Jose-Luis Izquierdo-Zaragoza, up to version 0.3.1
 *     Pablo Pavon-Marino - from version 0.4.0 onwards
 ******************************************************************************/

import java.util.*;

public class Main {
    /**
     * Checks whether any element of a collection is present in another one.
     *
     * @param <A> Key type
     * @param collection1 Container collection
     * @param collection2 Collection with elements to be checked
     * @return {@code true} if any element in {@code collection} is present in {@code container}, and {@code false} otherwise. If {@code container} is empty, it will return {@code false}
     */
    public static <A> boolean containsAny(Collection<A> collection1, Collection<A> collection2) {
        return !Collections.disjoint(collection1, collection2);
    }
}

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