Java Map from Array map(String... keysAndValues)

Description

map

License

Apache License

Declaration

static Map<String, String> map(String... keysAndValues) 

Method Source Code

//package com.java2s;
/*/*  w  w w. j a  va2s  .co  m*/
 * Copyright (C) 2014 Square, Inc.
 *
 * 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.LinkedHashMap;
import java.util.Map;
import static java.util.Collections.unmodifiableMap;

public class Main {
    static Map<String, String> map(String... keysAndValues) {
        if (keysAndValues.length % 2 != 0) {
            throw new IllegalArgumentException("Argument count must be even.");
        }
        Map<String, String> map = new LinkedHashMap<>();
        for (int i = 0; i < keysAndValues.length; i += 2) {
            map.put(keysAndValues[i], keysAndValues[i + 1]);
        }
        return unmodifiableMap(map);
    }
}

Related

1. map(Object... params)
2. map(String k, Object v)
3. map(String key, String val)
4. map(String... args)
5. map(String... args)
6. map(String... keyValues)
7. map(String... strings)
8. map(String... vals)
9. map(T... input)