Java List Subtract subtract(final String[] input, final String[] list)

Description

Subtract one string array from another

License

Apache License

Parameter

Parameter	Description
input	Array elements to subtract
list	List to subtract from

Return

string array of merged set

Declaration

public static String[] subtract(final String[] input, final String[] list) 

Method Source Code

//package com.java2s;
/*//  www .  j a v a2  s . c o m
 * Copyright 2016 SimplifyOps, Inc. (http://simplifyops.com)
 *
 * 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 {
    /**
     * Subtract one string array from another
     *
     * @param input Array elements to subtract
     * @param list  List to subtract from
     *
     * @return string array of merged set
     */
    public static String[] subtract(final String[] input, final String[] list) {
        final Set<String> difference = new HashSet<String>(Arrays.asList(list));
        difference.removeAll(Arrays.asList(input));
        return difference.toArray(new String[difference.size()]);
    }
}

Related

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