What are static initalizers in java ?
Explain the difference between hashmap and hashtable in java?
what are upcasting and downcasting?
Whats the difference between notify() and notifyall()?
What is finalize() function in java?
Which collection is best for sorting in java?
I don’t want my class to be inherited by any other class. What should I do?
What is Collection interface?
What does += mean coding?
Is null in java?
Can we override constructor?
What is type conversion in java?
How do you declare an infinite loop?