hashmap.c /** Generic map implementation.*/#include"hashmap.h"#include<stdlib.h>#include<stdio.h>#include<string.h>#defineINITIAL_SIZE (256)#defineMAX_CHAIN_LENGTH (8)/*We need to keep keys and values*/typedefstruct_hashmap_element{char*key;intin_use; any_t data; } hashmap_element...
Dmap is a flexible, lightweight, zero-friction dynamic hashmap implementation in C, designed to be user-friendly without sacrificing performance. 🚀 Super Easy – Zero Setup Required // Declare a dynamic hashmap of any type, `int` in this case. int *my_dmap = NULL; // Insert the valu...
A simple implementation of a hashmap based on Austin Appleby's murmur3 algorithm. Many thanks to Austin for putting his reference code in the public domain. I am also placing this implementation in the public domain using CC0; see License.Table...
This implementation provides constant-time performance for the basic operations (getandput), assuming the hash function disperses the elements properly among the buckets. 如果将数据适当的分散到桶里, HashMap的添加、查询函数的执行周期是常量值。 Iteration over collection views requires time proportional to...
Hash table and linked list implementation of theMapinterface, with well-defined encounter order. This implementation differs fromHashMapin that it maintains a doubly-linked list running through all of its entries. This linked list defines the encounter order (the order of iteration), which is norm...
In this tutorial, we’ve explored different ways to sort aLinkedHashMapby values. We also addressed sorting implementation in scenarios where the values do not implement theComparableinterface. As always, the complete source code for the examples is availableover on GitHub....
The IdentityHashMap class (present in java.util package) is a HashTable-based implementation of Map Interface and has been present since Java version 1.4. This class is not a general-purpose Map implementation. Even though this class implements the Map interface, it violates Map’s general co...
We can use any class as the key in our HashMap. However, for the map to work properly, we need to provide an implementation for equals() and hashCode(). Let’s say we want to have a map with the product as the key and the price as the value: HashMap<Product, Integer> priceBy...
The WeakHashMap class (present in java.util package) is a HashTable-based implementation of Map Interface and is present since Java version 1.2. It has almost same features as HashMap including the constructors, methods, performance, and internal implementation. The primary difference between Hash...
Hash table based implementation of the Map interface, with weak keys. An entry in a WeakHashMap will automatically be removed when its key is no longer in ordinary use. More precisely, the presence of a mapping for a given key will not prevent the key from being discarded by the garbage...