Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * #%L
 * Sorting a CopyOnWriteArrayList
 * $Id:$
 * $HeadURL$
 * %%
 * Copyright (C) 2012 - 2014 Java Creed
 * %%
 * 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.
 * #L%
 */

import java.util.Collections;
import java.util.List;

public class Main {
    public static <T extends Comparable<T>> int addInOrder(final List<T> list, final T item) {
        final int insertAt;
        // The index of the search key, if it is contained in the list; otherwise, (-(insertion point) - 1).
        final int index = Collections.binarySearch(list, item);
        if (index < 0) {
            insertAt = -(index + 1);
        } else {
            insertAt = index + 1;
        }

        list.add(insertAt, item);
        return insertAt;
    }
}