Main.java Source code

Introduction

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> getSetOfRemoved(final Collection<String> oldSet,
            final Collection<String> updatedSet) {
        final Set<String> removedEntriesSet = new HashSet<>();
        extractRemovedEntries(oldSet, updatedSet, removedEntriesSet);
        return removedEntriesSet;
    }

    private static void extractRemovedEntries(final Collection<String> oldCollection,
            final Collection<String> updatedCollection, final Collection<String> removedEntriesCollection) {
        for (final String string : oldCollection) {
            if (!updatedCollection.contains(string)) {
                removedEntriesCollection.add(string);
            }
        }
    }
}