Java Hashtable class is an implementation of hash table data structure. It is very much similar to HashMap in Java, with most significant difference that Hashtable is synchronized while HashMap is not. In this Hashtable tutorial, we will learn it’s internals, constructors, methods, use-...
The iterators returned by theiteratormethod of the collections returned by all of this class's "collection view methods" arefail-fast: if the Hashtable is structurally modified at any time after the iterator is created, in any way except through the iterator's ownremovemethod, the iterator wil...
The iterators returned by the iterator method of the collections returned by all of this class's "collection view methods" are fail-fast: if the Hashtable is structurally modified at any time after the iterator is created, in any way except through the iterator's own remove method, the iter...
public V put(K key, V value) { return putVal(hash(key), key, value, false, true); } /** * Implements Map.put and related methods. * * @param hash hash for key * @param key the key * @param value the value to put * @param onlyIfAbsent if true, don't change existing val...
Methods inherited from class java.lang.Object finalize,getClass,notify,notifyAll,wait,wait,wait size public int size() Returns the number of keys in this hashtable. Specified by: sizein interfaceMap<K,V> Specified by: sizein classDictionary<K,V> ...
Returns an enumeration of the values in this hashtable. Use the Enumeration methods on the returned object to fetch the elements sequentially. If the hashtable is structurally modified while enumerating over the values then the results of enumerating are undefined. Java documentation for java.util....
Access ASP web controls inside Static Methods access c# local variable to aspx page Access control Exist in User Control From Parent Page Access denied to delete file upload access div from code behind Access file with a plus (+) sign in the name Access Master page properties from User Contro...
text/java {@code Integer n = numbers.get("two"); if (n != null) { System.out.println("two = " + n); }} The iterators returned by theiteratormethod of the collections returned by all of this class's "collection view methods" are <em>fail-fast</em>: if the Hashtable is struc...
Returns the number of keys in this hashtable. int[] toOrderedKeys() Methods inherited from class java.lang.Object equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitConstructor Detail IntHashtable public IntHashtable() Constructs a new, empty hashtable with...
* Use the Enumeration methods on the returned object to fetch the elements * sequentially. * * @return an enumeration of the values in this hashtable. * @see java.util.Enumeration * @see #keys() * @see #values() * @see Map */ public synchronized Enumeration<V> elements() { return ...