Java Collection Check isCollection(Object obj)

Description

Checks if provided object is java.util.Collection or Object[] .

License

Apache License

Parameter

Parameter	Description
obj	object to check

Return

true if obj is or Object[] , false - otherwise

Declaration

public static boolean isCollection(Object obj) 

Method Source Code

//package com.java2s;
/*//from w w  w. ja v  a2  s  .c om
 * Copyright 2014-2017 JKOOL, LLC.
 *
 * 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 {
    /**
     * Checks if provided object is {@link java.util.Collection} or {@code Object[]}.
     *
     * @param obj
     *            object to check
     * @return {@code true} if obj is {@link java.util.Collection} or {@code Object[]}, {@code false} - otherwise
     */
    public static boolean isCollection(Object obj) {
        return obj instanceof Object[] || obj instanceof Collection;
    }
}

Related

1. isCollection(Class fieldClass)
2. isCollection(final Object collection)
3. isCollection(final Object obj)
4. isCollection(final Object value)
5. isCollection(Object ob)
6. isCollection(Object obj)
7. isCollection(Object obj)
8. isCollection(Object object)
9. isCollection(Object object)