Java HashMap Create newHashMap( Map map)

Description

new Hash Map

License

Apache License

Declaration

public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMap(
            Map<KEY, VALUE> map) 

Method Source Code

//package com.java2s;
/*//from w  w w. ja v a  2s  . c om
 * Copyright 2014-2015 the original author or authors.
 *
 * 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.HashMap;

import java.util.Map;

public class Main {
    public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMap() {
        return new HashMap<KEY, VALUE>();
    }

    public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMap(
            Map<KEY, VALUE> map) {
        return new HashMap<KEY, VALUE>(map);
    }

    public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMap(KEY key,
            VALUE value) {
        final HashMap<KEY, VALUE> map = newHashMapSized(1);
        map.put(key, value);
        return map;
    }

    public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMap(KEY key1,
            VALUE value1, KEY key2, VALUE value2) {
        final HashMap<KEY, VALUE> map = newHashMapSized(2);
        map.put(key1, value1);
        map.put(key2, value2);
        return map;
    }

    public static <KEY, VALUE> HashMap<KEY, VALUE> newHashMapSized(int size) {
        return new HashMap<KEY, VALUE>(size);
    }
}

Related

1. hashmap()
2. hashMap(Entry... entries)
3. hashMap(Entry... entries)
4. hashMap(Object... kvs)
5. hashMapRange(int upTo)
6. newHashMap()
7. newHashMap()
8. newHashMap()
9. newHashMap()