What is java life cycle?
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Why do we declare a class static?
Explain when we should make an instance variable private.
Can memory leak happen java?
What is preparedstatement in java?
What are the benefits of immutable objects?
if am have 100 threads(for ex:T1,T2---T100) how we give priority to these threads and how the system excute these threads
Why is the main method static in Java?
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
Explain static nested classes ?
What is deserialization?
What is the use of http-tunneling in rmi?
What do you understand by Header linked List?