String>unmodifiableMap=Collections.unmodifiableMap(mutableMap);//Throws java.lang.UnsupportedOperationException//unmodifiableMap.put("key2", "value2");//Changes are visible in both mapsmutableMap.put("key2","value2");System.out.println(unmodifiableMap);//{key1=value1, key2=value2}...
ConcurrentLinkedQueue, ConcurrentSkipListSet, CopyOnWriteArrayList, CopyOnWriteArraySet, DelayQueue, EnumSet, HashSet, JobStateReasons, LinkedBlockingDeque, LinkedBlockingQueue, LinkedHashSet, LinkedList, LinkedTransferQueue, PriorityBlockingQueue, PriorityQueue, RoleList, RoleUnresolvedList, Stack, SynchronousQueue, ...
优先队列 The Java platform (since version 1.5) provides thebinary heap implementationwith classjava.util.PriorityQueue<E>in Java Collections Framework. This class implementsby default a min-heap; to implement a max-heap, programmer should write a customcomparator. There is no support for the decrea...
Fixed - defined codec's classloader is overwritten with Thread.currentThread().getContextClassLoader() Fixed - RPriorityQueue.add method throws NPE Fixed - connecting to a password protected Redis Sentinel fails (thanks to @stikku) Fixed - java.lang.IllegalStateException thrown during org.redisson...
JAVA集合框架 参考:《疯狂JAVA讲义》 注: 同一框中为类继承或接口实现关系; 表格自上而下大体为接口实现与拓展关系; 最后一行:相关类 不用泛型:强制类型转换为Object 关于hash性能选项: Set比较: List比较: Map比较: Collections集合类: (取代使用HashTable、Vector旧类的线程安全方法):...
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Heap is a special data structure in Java. This tutorial explains what is Java Heap Data Structure & related concepts such as Min Heap, Max Heap, Heap Sort.