Java Collection Subset isSubset(Collection s1, Collection s2)

Description

is Subset

License

Apache License

Return

true if s2 is a subset of s1.

Declaration

static public <T> boolean isSubset(Collection<T> s1, Collection<T> s2) 

Method Source Code

//package com.java2s;
/**/*from  w  w w  .  j  a v  a  2 s.  c  om*/
 * Copyright 2014, Emory University
 * 
 * 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 {
    /** @return true if s2 is a subset of s1. */
    static public <T> boolean isSubset(Collection<T> s1, Collection<T> s2) {
        for (T t : s2) {
            if (!s1.contains(t))
                return false;
        }

        return true;
    }
}

Related

1. isSubset(Collection subset, Collection of)
2. isSubset(Collection subSet, Collection superSet)
3. isSubset(Collection subset, Collection superset)
4. isSubset(final Collection l1, final Collection l2)
5. sub(Collection list, int start, int end)