Difference between concurrent hashmap and hashtable and collections
What is thin driver and thick driver. why it is called so?
Is array an object in java?
What are the important methods of java exception class?
Is finalize() similar to a destructor?
What is the difference between a synchronized method and a synchronized block?
what is server side caching?
What is the difference between Synchronizing mehtod & Synchronizing block?
Is java still necessary?
how to make a un-checked exception as a checked exception one.
What is a predicate method?
What is the purpose of using break in each case of switch statement?
How does class forname work in java?