Java Collection Check isCollectionType(Class type)

Description

Returns true if type is a collection type.

License

Apache License

Parameter

Parameter	Description
type	type to test

Return

true if type is a collection type, false otherwise

Declaration

public static boolean isCollectionType(Class type) 

Method Source Code

//package com.java2s;
/*/*ww w  .j  a  va2s .c om*/
 * Copyright 2012-2013 Gephi Consortium
 *
 * 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.List;

import java.util.Set;

public class Main {
    /**
     * Returns true if <em>type</em> is a collection type.
     * <p>
     * Collection types are either <em>List</em> or <em>Set</em>.
     *
     * @param type type to test
     * @return true if <em>type</em> is a collection type, false otherwise
     */
    public static boolean isCollectionType(Class type) {
        return List.class.isAssignableFrom(type) || Set.class.isAssignableFrom(type);
    }
}

Related

1. isCollectionOrArray(Class type)
2. isCollectionOrArray(final Class cls)
3. isCollectionOrArray(final Object obj)
4. isCollectionOrArrayType(Class typeToCheck)
5. isCollectionType(Class aClass)
6. isCollectionType(Class cls)
7. isCollectionType(Class cls)
8. isCollectionType(Class type)
9. isCollectionType(final Class cls)