Java Collection Check isC2InC1(Collection c1, Collection c2)

Description

return true if all elements of c2 are in c1

License

Apache License

Parameter

Parameter	Description
T	a parameter
c1	a parameter
c2	a parameter

Declaration

public static <T> boolean isC2InC1(Collection<T> c1, Collection<T> c2) 

Method Source Code

//package com.java2s;
/**//w w w. j  a va2 s .  co  m
 * Copyright 2012 Comcast 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 {
    /**
     * return true if all elements of c2 are in c1
     * @param <T>
     * @param c1
     * @param c2
     * @return
     */
    public static <T> boolean isC2InC1(Collection<T> c1, Collection<T> c2) {
        for (T e1 : c1) {
            boolean e1found = false;
            for (T theirPlayer : c2) {
                if (e1.equals(theirPlayer)) {
                    e1found = true;
                    break;
                }
            }
            if (!e1found) {
                return false;
            }
        }
        return true;
    }
}

Related

1. isBlank(Collection c)
2. isBlank(Collection collection)
3. isBlank(final Collection c)
4. isBlank(final Collection collection)
5. isBlankAll(Collection... collections)
6. isClassCollection(Class c)
7. isClassCollection(Class c)
8. isClassCollection(Class type)
9. isCollection(Class c)