what is the difference between HashMap and Hashtable
Answer Posted / prabhat ranjan
You all said that HashMap allows 1 null key and mulitple
null values but why ? What was the basic idea behind it
making such feature by JAVA bulider ?
Is This Answer Correct ? | 12 Yes | 4 No |
Post New Answer View All Answers
how to create multithreaded program? Explain different ways of using thread? When a thread is created and started, what is its initial state? Or extending thread class or implementing runnable interface. Which is better? : Java thread
What are data structures in java?
What is the use of conditional statement?
How many types of the indexof method are there for strings?
What is rule of accessibility in java?
What is parsing in java?
Is 64bit faster than 32 bit?
Is it possible to specify multiple jndi names when deploying an ejb?
What is meant by method?
What is sorting in java?
Explain aggregation in java?
What is an error in java?
Can I learn java in 3 months?
How do you format in java?
What are white spaces in java?