Java List Sub List subList(final List list, final int first, final int count)

Description

a sublist implementation that is diffrent from List#subList(int,int) as it handles out of bounds indexes gracefully

License

Apache License

Declaration

public static <T> List<T> subList(final List<T> list, final int first, final int count) 

Method Source Code

//package com.java2s;
/**//from   w  w  w .  jav a2  s  . com
 * Copyright 2010 Molindo GmbH
 *
 * 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.ArrayList;

import java.util.List;

public class Main {
    /**
     * a sublist implementation that is diffrent from
     * {@link List#subList(int, int)} as it handles out of bounds indexes
     * gracefully
     */
    public static <T> List<T> subList(final List<T> list, final int first, final int count) {
        if (list.size() < first) {
            return new ArrayList<T>(0);
        }
        return list.subList(first, Math.min(first + count, list.size()));
    }
}

Related

1. startsWith(final List list, final List subList)
2. sub(List l, int index)
3. subArray(List listA, List listB)
4. subList(final Iterable

   parent, final Iterable child)

5. subList(final List oriList, int[] indexes)
6. subList(final List list, final int offset, final int amount)
7. subList(final List list, final int startIndex, final int endIndex)
8. subList(final List source, final int... indices)
9. sublist(LinkedHashSet base, int start, int count)