Convert the supplied array into a List. - Java Collection Framework

Java examples for Collection Framework:Array Convert

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Description

Convert the supplied array into a List.

Demo Code

/*//w ww .  j  a v a  2  s.c o  m
 * Copyright 2002-2015 the original author or authors.
 *
 * 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.
 */
//package com.book2s;
import java.util.*;

public class Main {
    public static void main(String[] argv) {
        Object source = "book2s.com";
        System.out.println(arrayToList(source));
    }

    /**
     * Convert the supplied array into a List. A primitive array gets converted
     * into a List of the appropriate wrapper type.
     * <p><b>NOTE:</b> Generally prefer the standard {@link Arrays#asList} method.
     * This {@code arrayToList} method is just meant to deal with an incoming Object
     * value that might be an {@code Object[]} or a primitive array at runtime.
     * <p>A {@code null} source value will be converted to an empty List.
     *
     * @param source the (potentially primitive) array
     * @return the converted List result
     * @see org.springframework.util.ObjectUtils#toObjectArray(Object)
     * @see Arrays#asList(Object[])
     */
    @SuppressWarnings("rawtypes")
    public static List arrayToList(Object source) {
        return Arrays.asList(org.springframework.util.ObjectUtils
                .toObjectArray(source));
    }
}

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