Top 10 similar words or synonyms for hashmap

hashtable    0.854129

arraylist    0.782126

hashset    0.746723

enums    0.741869

linkedlist    0.724295

rowset    0.716929

xmlschema    0.715752

dataobject    0.714619

btree    0.708718

parameterinfo    0.705643

Top 30 analogous words or synonyms for hashmap

Article Example
Comparison of programming languages (associative array) The hash function in Java, used by HashMap and HashSet, is provided by the method . Since every class in Java inherits from , every object has a hash function. A class can override the default implementation of codice_32 to provide a custom hash function based on the properties of the object.
Red–black tree In the version 8 of Java, the Collection HashMap has been modified such that instead of using a LinkedList to store different elements with colliding hashcodes, a Red-Black tree is used. This results in the improvement of time complexity of searching such an element from O(n) to O(log n).
Java collections framework Maps are defined by the ' interface in Java. Maps are simple data structures that associate a key with an element. This lets the map be very flexible. If the key is the hash code of the element, the map is essentially a set. If it's just an increasing number, it becomes a list. Maps are implemented by ', ', and '. HashMap uses a hash table. The hashes of the keys are used to find the elements in various buckets. LinkedHashMap extends this by creating a doubly linked list between the elements, allowing them to be accessed in the order in which they were inserted into the map. TreeMap, in contrast to HashMap and LinkedHashMap, uses a red-black tree. The keys are used as the values for the nodes in the tree, and the nodes point to the elements in the map.
MyBatis MyBatis supports declarative data caching. A statement can be marked as cacheable so any data retrieved from the database will be stored in a cache and future executions of that statement will retrieve the cached data instead hitting the database. MyBatis provides a default cache implementation based on a Java HashMap and default connectors for integrating with: OSCache, Ehcache, Hazelcast and Memcached. It provides an API to plug other cache implementations.
Comparison of programming languages (associative array) Analogously, TreeMap, and other sorted data structures, requires that an ordering be defined on the data type. Either the data type must already have defined its own ordering, by implementing the interface; or a custom must be provided at the time the map is constructed. As with HashMap above, the relative ordering of keys in a TreeMap should not change once they have been inserted into the map.
Java ConcurrentMap The diagram indicates how synchronizing using Collections.synchronizedMap() wrapping a regular HashMap (purple) may not scale as well as ConcurrentHashMap (red). The others are the ordered ConcurrentNavigableMaps AirConcurrentMap (blue) and ConcurrentSkipListMap (CSLM green). (The flat spots may be rehashes producing tables that are bigger than the Nursery, and ConcurrentHashMap takes more space. Note y axis should say 'puts K'. System is 8-core i7 2.5 GHz, with -Xms5000m to prevent GC). GC and JVM process expansion change the curves considerably, and some internal Lock-Free techniques generate garbage on contention.
Synnefo Pithos is the Object/File Storage component of Synnefo. Users upload files on Pithos using either the Web UI, the command-line client, or native syncing clients. It is a thin layer mapping user-files to content-addressable blocks which are then stored on a storage backend. Files are split in blocks of fixed size, which are hashed independently to create a unique identifier for each block, so each file is represented by a sequence of block names (a hashmap). This way, Pithos provides deduplication of file data; blocks shared among files are only stored once.
Criticism of Java Java lacks compound value types, such as structs in C, bundles of data that are manipulated directly instead of indirectly via references. Value types can offer significant performance improvements and memory savings in some cases. A typical example is Java's HashMap, which is internally implemented as an array of HashMap.Entry objects. Because Java lacks value types, this array is actually an array of references (pointers) to Entry objects, which in turn contains references to key and value objects. Looking up something in the map requires inefficient double indirection. If Entry were a value type, the array could store pairs of key and value references directly, eliminating the first indirection, increasing locality and reducing memory usage and heap fragmentation. If Java further supported generic primitive types, primitive keys and values could be stored in the array directly, removing the second indirection.