Java Set Union union(Set setA, Set setB)

Description

This method finds the union of set A and set B

License

Apache License

Parameter

Parameter	Description
setA	set A
setB	set B
T	type

Return

a new set containing the union

Declaration

public static <T> Set<T> union(Set<T> setA, Set<T> setB) 

Method Source Code

//package com.java2s;
/*//  ww w . j av  a 2  s.  c  o m
 * Copyright 2002-2014 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.
 */

import java.util.*;

public class Main {
    /**
     * This method finds the union of set A and set B
     * @param setA set A
     * @param setB set B
     * @param <T> type
     * @return a new set containing the union
     */
    public static <T> Set<T> union(Set<T> setA, Set<T> setB) {
        Set<T> union = new HashSet<T>(setA);
        union.addAll(setB);
        return union;
    }
}

Related

1. union(final Set... elements)
2. union(Set one, Set two)
3. union(Set a, Set b)
4. union(Set left, Set right)
5. union(Set setA, Set setB)
6. union(Set... sets)
7. union(String[] set1, String[] set2)