Android Collection Contains contains(Collection collection, T value)

Description

Answers true if a predicate is true for at least one element of a collection.

License

Open Source License

Parameter

Parameter	Description
T	< >
collection	- the collection to get the input from, may be null
value	- value to check

Return

true if a collection contains specified value.

Declaration

public static <T> boolean contains(Collection<T> collection, T value) 

Method Source Code

//package com.java2s;
/*//from  w w  w . j a v a  2  s .  com
 * This software code is (c) 2010 T-Mobile USA, Inc. All Rights Reserved.
 *
 * Unauthorized redistribution or further use of this material is
 * prohibited without the express permission of T-Mobile USA, Inc. and
 * will be prosecuted to the fullest extent of the law.
 *
 * Removal or modification of these Terms and Conditions from the source
 * or binary code of this software is prohibited.  In the event that
 * redistribution of the source or binary code for this software is
 * approved by T-Mobile USA, Inc., these Terms and Conditions and the
 * above copyright notice must be reproduced in their entirety and in all
 * circumstances.
 *
 * No name or trademarks of T-Mobile USA, Inc., or of its parent company,
 * Deutsche Telekom AG or any Deutsche Telekom or T-Mobile entity, may be
 * used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" AND "WITH ALL FAULTS" BASIS
 * AND WITHOUT WARRANTIES OF ANY KIND.  ALL EXPRESS OR IMPLIED
 * CONDITIONS, REPRESENTATIONS OR WARRANTIES, INCLUDING ANY IMPLIED
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
 * NON-INFRINGEMENT CONCERNING THIS SOFTWARE, ITS SOURCE OR BINARY CODE
 * OR ANY DERIVATIVES THEREOF ARE HEREBY EXCLUDED.  T-MOBILE USA, INC.
 * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY
 * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE
 * OR ITS DERIVATIVES.  IN NO EVENT WILL T-MOBILE USA, INC. OR ITS
 * LICENSORS BE LIABLE FOR LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
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 */

import java.util.Collection;

public class Main {
    /**
     * Answers true if a predicate is true for at least one element of a
     * collection.
     * 
     * @param <T>
     * @param collection
     *            - the collection to get the input from, may be null
     * @param value
     *            - value to check
     * @return true if a collection contains specified value.
     */
    public static <T> boolean contains(Collection<T> collection, T value) {
        return collection != null && collection.size() > 0 ? collection
                .contains(value) : false;
    }
}

Related

1. containsInstance(Collection collection, Object element)
2. containsInstance(Collection collection, Object element)