Java Map Create map(Object... data)

Description

This is useful to create a map of object in declarative way.

License

Open Source License

Parameter

Parameter	Description
data	keys and values (in pairs)
K	type of keys
V	type of values

Return

mutable map

Declaration

public static <K, V> Map<K, V> map(Object... data) 

Method Source Code

//package com.java2s;
/**/*from   ww w .j a v a 2s  .co  m*/
 * Copyright 2012-2015 Rafal Lewczuk <rafal.lewczuk@jitlogic.com>
 *
 * ZORKA is free software. You can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * ZORKA is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * ZORKA. If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.*;

public class Main {
    /**
     * This is useful to create a map of object in declarative way. Key-value pairs
     * are passed as arguments to this method, so call will look like this:
     * ZorkaUtil.map(k1, v1, k2, v2, ...)
     *
     * @param data keys and values (in pairs)
     * @param <K>  type of keys
     * @param <V>  type of values
     * @return mutable map
     */
    public static <K, V> Map<K, V> map(Object... data) {
        Map<K, V> map = new HashMap<K, V>(data.length + 2);

        for (int i = 1; i < data.length; i += 2) {
            map.put((K) data[i - 1], (V) data[i]);
        }

        return map;
    }
}

Related

1. map(Map accumulator, Key key, Value value)
2. map(Map outcomeMapping, String line, int firstTabIdx)
3. map(Object key, Object value)
4. map(Object obj)
5. map(Object... args)
6. map(Object... data)