Difference between HashMap and Hashtable | HashMap Vs Hashtable

Both the HashMap and Hashtable implement 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 means Hashtable is thread-safe and can be shared among multiple threads and you don’t need to worry about the synchronization problems. [Read more…]