what is the difference between HashMap And HashTable?
- 5 Answers
- 11176 Views
- Hexaware, I also Faced
- E-Mail Answers
Answer Posted / ravikiran
HashMap allows one null key and multiple null values
HashTable doesnn't allow nulls
HashMap is not synchronized
hashtable is synchronized
| Is This Answer Correct ? | 13 Yes | 0 No |
Post New Answer View All Answers
What do you mean by jjs in java8?
What are pass by reference and pass by value?
What does the string method compareto () do?
What is array list in java?
Why is sizeof not a function?
How a variable is stored in memory?
Which sorting algorithm is best in java?
What is the syntax and characteristics of a lambda expression?
What is the generic function?
hi am an engineering student and my next plan is for ms in either in us or australia i got my passport but i dont know anything bout visa can u give brief idea 1)How to get prepared for visa and 2)How to apply for top universities and 3)How to pay the fee and so on These all are basic questions plz give me a clear idea
How does thread synchronization occurs inside a monitor? What levels of synchronization can you apply?
How do you sort arraylist in descending order?
How objects of a class are created if no constructor is defined in the class?
Explain the difference between abstract classes and interfaces in java?
Explain where variables are created in memory?
