Java J2EE Interview Questions
Questions Answers Views Company eMail

What is gui programming?

510

What does microservices mean?

522

What is bytecode verifier?

491

What is a website container?

495

What is mnemonic in assembly language?

545

Are primitives objects?

555

What is computer compiler?

523

What are the types of web technologies?

517

Why are pointers not secure?

529

What does jenkins do?

479

Explain Linked HashSet

1 727

List methods available in Java Queue interface

1 618

Explain Big-O notation with an example

1 618

10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } } 10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } }

547

What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } } 10. What is the output of the following Java program? class Main { public static void main(String args[]){ final int i; i = 10; System.out.println(i); } }

1 770


Un-Answered Questions { Java J2EE }

What is jdbc odbc driver?

567


What is tcp and udp?

593


What are the components of swing in java?

539


Is java hard to learn?

458


How many bytes are a float?

501






What is java awt and swing?

600


What is jms queue?

468


How many ejb objects are created for a bean?

536


What is lazy loading hibernate?

188


How to find the index of the largest number in an arraylist java?

510


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

1837


Can finally block be used without a catch?

538


What is hashtable and explain features of hashtable?

552


Explain list interface?

509


What are the major benefits of hibernate?

140