Java List from Array asList(int... values)

Description

as List

License

Apache License

Declaration

public static List<Integer> asList(int... values) 

Method Source Code

//package com.java2s;
/*//  ww  w . ja va  2  s .  c  om
 * 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;

public class Main {
    public static List<Integer> asList(int... values) {
        int len = length(values);
        if (len <= 0) {
            return Collections.emptyList();
        }

        List<Integer> l = new ArrayList<>(len);
        for (int v : values) {
            l.add(v);
        }

        return l;
    }

    public static int length(byte... a) {
        return a == null ? 0 : a.length;
    }

    public static int length(int... a) {
        return a == null ? 0 : a.length;
    }

    public static int length(long... a) {
        return a == null ? 0 : a.length;
    }
}

Related

1. asList(final T[] array)
2. asList(final T[] input)
3. asList(float[] elements)
4. asList(int... array)
5. asList(int... data)
6. asList(int[] a)
7. asList(int[] ai)
8. asList(int[] ar)
9. asList(int[] arr)