no deepa its not that much difficulty as your expecting just go through the books and a little bit practice is enough to get good percentage...
if you have any queries let me know my mail id: firstname.lastname@example.org
Re: Compile time error
whenever you are doing any operations on datatypes it should be greater than int type because always comiler compares all the datatypes with int type if result is greater than int it wont raise any exception but if the result is lower than int then it will rise an...
No method is synchronized and hence hashmap object is not thread safe but performance is high
null is allowed for both key and value
All methods are synchronized and hence Hashtable object is thread safe but performance is low
null insertion is allowed for key and values...
ya there is a possibility that exception may occur in finally block also so the program will stop its excution abnormally if the outer catch block is not there but it will run normally if the outer catch catches the exception which is raised in finally block.