Java Collection Check isCollection(Object obj)

Description

Determines if the given object is any kind of collection

License

Apache License

Parameter

Parameter	Description
obj	The object to test

Return

true, if it is a collection.

Declaration

public static boolean isCollection(Object obj) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2009, 2010 Innovation Gate GmbH
 * //w  w w . j  a  va  2s  . co m
 * 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.
 ******************************************************************************/

public class Main {
    /**
     * Determines if the given object is any kind of collection
     * 
     * @param obj
     *            The object to test
     * @return true, if it is a collection.
     */
    public static boolean isCollection(Object obj) {

        return (obj != null && java.util.Collection.class.isAssignableFrom(obj.getClass()));
    }
}

Related

1. isCollection(final Object obj)
2. isCollection(final Object value)
3. isCollection(Object ob)
4. isCollection(Object obj)
5. isCollection(Object obj)
6. isCollection(Object object)
7. isCollection(Object object)
8. isCollection(Object value)
9. isCollection(String type)