Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (C) 2014 Dasasian (damith@dasasian.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 {
    public static Set<String> getSetOfAdded(final Collection<String> oldSet, final Collection<String> updatedSet) {
        final Set<String> addedEntriesSet = new HashSet<>();
        extractAddedEntries(oldSet, updatedSet, addedEntriesSet);
        return addedEntriesSet;
    }

    private static void extractAddedEntries(final Collection<String> oldCollection,
            final Collection<String> updatedCollection, final Collection<String> addedEntriesCollection) {
        for (final String entry : updatedCollection) {
            if (!oldCollection.contains(entry)) {
                addedEntriesCollection.add(entry);
            }
        }
    }
}