What is the purpose of the wait(), notify(), and notifyall() methods in java programming?
What is the range of the short type?
Accenture NJ mostly ask question on Collection like 1)How to sort Objcts and how treeset sort them 2)Explain mechanism of Hashcode finding in Java 3)Name some of the Sorted collection.
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
What is lambda in java?
How do you identify if jvm is 32-bit or 64-bit from java program?
What is a null point?
What are serialization and deserialization?
Why runnable interface is used in java?
In a container there are 5 components. I want to display all the component names, how will you do that?
Iterator in the HashMap is fail-safe means what?
what are the uses of Class class and what it returns? explain it with the example code.
How is Object Oriented Programming different from Procedure Oriented Programming?