Java Object to Array toArray(Object obj)

Description

to Array

License

Apache License

Declaration

public static Object[] toArray(Object obj) 

Method Source Code

//package com.java2s;
/*/*  w  w w  .j a  va 2  s.  co m*/
 * Copyright (c) 2007 NTT DATA Corporation
 *
 * 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.Collection;

public class Main {

    public static Object[] toArray(Object obj) {
        if (obj == null) {
            return new Object[0];
        } else if (obj.getClass().isArray()) {
            return (Object[]) obj;
        } else if (obj instanceof Collection) {
            return ((Collection<?>) obj).toArray();
        }
        return new Object[] { obj };
    }
}

Related

1. toArray(Object obj)
2. toArray(Object value)