Java Collection Contain containsSome(Collection source, Collection target)

Description

Returns true if source contains at least one element in target.

License

Open Source License

Parameter

Parameter	Description
source	the source <code>Collection</code>
target	the target <code>Collection</code>

Return

true if source contains at least one element in target and false otherwise

Declaration

public static boolean containsSome(Collection<?> source, Collection<?> target) 

Method Source Code

//package com.java2s;
/*/*from   w  ww . jav a2  s  . c om*/
 * Copyright (c) 2013 Game Salutes.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v3
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl.html
 * 
 * Contributors:
 *     Game Salutes - Repackaging and modifications of original work under University of Chicago and Apache License 2.0 shown below
 * 
 * Repackaging from edu.uchicago.nsit.iteco.utils to com.gamesalutes.utils
 * 
 * Copyright 2008 - 2011 University of Chicago
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

import java.util.*;

public class Main {
    /**
     * Returns <code>true</code> if <code>source</code> contains at least one
     * element in <code>target</code>.
     * 
     * @param source the source <code>Collection</code>
     * @param target the target <code>Collection</code>
     * @return <code>true</code> if <code>source</code> contains at least one
     *         element in <code>target</code> and <code>false</code> otherwise
     */
    public static boolean containsSome(Collection<?> source, Collection<?> target) {
        if (source == target)
            return true;
        if ((source == null) != (target == null))
            return false;
        return !Collections.disjoint(source, target);
    }
}

Related

1. containsPrefix(String str, Collection prefixes)
2. containsSafe(Collection collection, V value)
3. containsSame(Collection first, Collection second)
4. containsSameItems(Collection col1, Collection col2)
5. containsSameType(Object o, Collection collection)
6. containsSome(final Collection c1, final Collection c2)
7. containsSome(HashSet s1, Collection other)
8. containsString(Collection coll, String str)
9. containsString(String stringToCheck, Collection collection)