Interested to Buy Any Domain ? << Click Here >> for more details...
What is a default constraint?
- 0 Answers
- 1031 Views
- HCL, I also Faced
- E-Mail Answers
No Answer is Posted For this Question
Be the First to Post Answer
what is the use of clone method? why user cant overwrite in sub class without its proper defination.
What is hashmap in java?
Is space a char?
Can we synchronize static methods in java?
What is synchronization? How it can be achieved?
Difference in the use of print, println, and printf.
what is the need of the Ajax?
What are class types in java?
What is the meaning of I ++ in java?
How many bytes is a string?
how a programmer confirms that the data submitted has been succesfully inserted into the database(either oracle or my sql).. How a programmer confirm if there is any problem with the program he wrote for insertion... ANS:--- >executeupdate method is having boolean return type, if anything goes wrong in data insertion or data updation, it would return false. otherwise, if it successfully inserts data into the database, it would return true NOW HOW TO I CHECK IN MY DURING EXECUTION WHETHER IT RETURNS TRUE OR FALSE... WELL IT WILL DISPLAY ANY MESSAGE OR NOT
which of tha following is not a thread safe class? a) ArrayList b)Vector c)HashTable d)None
Core Java 
