Both theHashMapandHashtableimplement the interface java.util.Map but there are some slight differences which has to be known to write a much efficient code. The Most important difference between HashMap and the Hashtable is that Hashtable is synchronized and HashMap is non-synchronized , which ...
Null in HashMap in Java speichern Null in Hashtable in Java speichern In diesem Tutorial werden die Unterschiede zwischen Hashtable und HashMap in Java vorgestellt. Außerdem werden einige Beispielcodes aufgeführt, um das Thema zu verstehen. ADVERTISEMENT Hashtable ist eine Klasse im Java...
The difference between HashMap and Hashtable is that HashMap particularly implements the Map interface whereas the Hashtable extends the Dictionary class which is a legacy class which is reengineered to implement Map interface. The other important differ
importjava.util.HashMap;publicclassSimpleTesting{publicstaticvoidmain(String[]args){HashMap<Integer,String>hashTable=newHashMap<>();hashTable.put(1,"One");hashTable.put(2,"Two");hashTable.put(3,"Three");System.out.println(hashTable);}} ...