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java Programming Glossary: concurrenthashmaphttp://stackoverflow.com/questions/11126866/thread-safe-multitons-in-java and no predefined size restrictions. private static ConcurrentHashMap Integer Multiton instances new ConcurrentHashMap Integer Multiton.. static ConcurrentHashMap Integer Multiton instances new ConcurrentHashMap Integer Multiton public static Multiton getInstance int which..
Performance ConcurrentHashmap vs HashMap http://stackoverflow.com/questions/1378310/performance-concurrenthashmap-vs-hashmap ConcurrentHashmap vs HashMap How is the performance of ConcurrentHashMap compared to HashMap especially .get operation I'm especially.. range between maybe 0 5000 Is there any reason not to use ConcurrentHashMap instead of HashMap I know that null values aren't allowed Update.. nice is not just for Christmas So now to your question ConcurrentHashMap at least in Sun's current implementation works by dividing the..
How would you implement an LRU cache in Java 6? http://stackoverflow.com/questions/221525/how-would-you-implement-an-lru-cache-in-java-6 my best bet for a highly concurrent LRU would be to extend ConcurrentHashMap using some of the same logic that LinkedHashMap uses. java.. revisit this in the future I'll probably work on extending ConcurrentHashMap in the same way LinkedHashMap extends HashMap . UPDATE By request..
ExecutorService that interrupts tasks after a timeout http://stackoverflow.com/questions/2758612/executorservice-that-interrupts-tasks-after-a-timeout ConcurrentMap Runnable ScheduledFuture runningTasks new ConcurrentHashMap Runnable ScheduledFuture public TimeoutThreadPoolExecutor int..
Is iterating ConcurrentHashMap values thread safe? http://stackoverflow.com/questions/3768554/is-iterating-concurrenthashmap-values-thread-safe iterating ConcurrentHashMap values thread safe In javadoc for ConcurrentHashMap is the.. ConcurrentHashMap values thread safe In javadoc for ConcurrentHashMap is the following Retrieval operations including get generally.. it mean That means that each iterator you obtain from a ConcurrentHashMap is designed to be used by a single thread and should not be..
Differences between HashMap and Hashtable? http://stackoverflow.com/questions/40471/differences-between-hashmap-and-hashtable
What's the difference between ConcurrentHashMap and Collections.synchronizedMap(Map)? http://stackoverflow.com/questions/510632/whats-the-difference-between-concurrenthashmap-and-collections-synchronizedmap the difference between ConcurrentHashMap and Collections.synchronizedMap Map I have a Map which is to.. in the Java API Hashtable Collections.synchronizedMap Map ConcurrentHashMap From what I understand Hashtable is an old implementation extending.. Maps returned by Collections.synchronizedMap Map and ConcurrentHashMap s Which one fits which situation java concurrency maps share..
Synchronizing on an Integer value [duplicate] http://stackoverflow.com/questions/659915/synchronizing-on-an-integer-value p private ConcurrentMap Integer Integer locks new ConcurrentHashMap Integer Integer private Object getCacheSyncObject final Integer..
Most efficient way to increment a Map value in Java http://stackoverflow.com/questions/81346/most-efficient-way-to-increment-a-map-value-in-java word count 1 AtomicLong import java.util.concurrent.ConcurrentHashMap import java.util.concurrent.ConcurrentMap import java.util.concurrent.atomic.AtomicLong.. ... final ConcurrentMap String AtomicLong map new ConcurrentHashMap String AtomicLong ... map.putIfAbsent word new AtomicLong 0..
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