in JAVA by

Difference between HashMap and HashTable.

Difference between HashMap and HashTable can be seen below:

HashMap HashTable
Methods are not synchronized Key methods are synchronized
Not thread safety Thread safety
Iterator is used to iterate the values Enumerator is used to iterate the values
Allows one null key and multiple null values Doesn’t allow anything that is null
Performance is high than HashTable Performance is slow

Related questions

0 votes
asked May 24, 2019 in JAVA by rajeshsharma