Java List Distinct Value sortedDistinct(List seq)

Description

sorted Distinct

License

Apache License

Declaration

public static List<Integer> sortedDistinct(List<Integer> seq) 

Method Source Code

//package com.java2s;
/*//  w  w  w  .  j av  a2s.c  om
 * Copyright (c) 2016 Spotify AB.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.Collections;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;

public class Main {
    public static List<Integer> sortedDistinct(List<Integer> seq) {
        Set<Integer> codeSet = new TreeSet<Integer>();
        codeSet.addAll(seq);
        List<Integer> uniqueSortedCodeSet = new ArrayList<Integer>();
        uniqueSortedCodeSet.addAll(codeSet);
        Collections.sort(uniqueSortedCodeSet);
        return uniqueSortedCodeSet;
    }
}

Related

1. distinct(List list)
2. distinct(List list)
3. distinct(List vector)
4. distinctList(List sourceList)
5. getDistinctStrings(String[] list)