Java HashMap Create createHashMap(int size)

Description

Creates the hash map instance that will hold the given amount of elements.

License

LGPL

Parameter

Parameter	Description
K	the key type
V	the value type
size	the preferred size

Return

the map instance

Declaration

public static <K, V> Map<K, V> createHashMap(int size) 

Method Source Code

//package com.java2s;
//License from project: LGPL 

import java.util.HashMap;

import java.util.Map;

public class Main {
    /**// ww w . j  a  v a 2 s  . co m
     * Creates the hash map instance that will hold the given amount of elements. The returned
     * instance is optimized for that size and will not grow until the given number of elements are
     * added.
     * <p>
     * The method is same as <code>new HashMap<K, V>((int) (size * 1.1), 0.95f)</code>
     * 
     * @param <K>
     *            the key type
     * @param <V>
     *            the value type
     * @param size
     *            the preferred size
     * @return the map instance
     */
    public static <K, V> Map<K, V> createHashMap(int size) {
        return new HashMap<K, V>((int) (size * 1.1), 0.95f);
    }
}

Related

1. createHashMap()
2. createHashMap()
3. createHashMap(int expectedMapSize)
4. createHashMap(int initialCapacity)
5. createHashMap(int initialCapacity)
6. createHashMap(Object key, Object value)
7. createHashMapIfNull(Map map)
8. createHashMapWithSize(final int size)
9. getHashMap()