Java questions

Some important questions if you are preparing for a Java interview

Q. What is the difference between an Abstract class and Interface?

A. Terms are different nothing more

Q. What do you know about the garbage collector ?

A. A person who clean the dust bin.

Q. Explain RMI Architecture?

A. I am a computer professional not an architect student.

Q. How do you communicate in between Applets & Servlets ?

A. If they are reachable by walk ,I will go in person, else I will use phone.

Q. What is the use of Servlets ?

A. In hotels ,they can replace servers

Q. What is the difference between Process and Threads ?

A. Threads are small ropes.Make a rope from threads is an example for process

Q. What is the order of method invocation in an Applet ?

A. Either ascending or desending.

Q. When is update method called ?

A. Who is update method?

Q. Have you ever used HashTable and Dictionary ?

A. There is a Dictionary named Hash in my table.

Q. What is JAR file ?

A. File that can be kept inside a jar.

Q. What is JNI ?

A. A ghost which was Aladdin's friend.

Q. What is the base class for all swing components ?

A. A glass that can be beneath all and which is very rigid.

Q. What is JFC ?

A. Jilebi, Fanta & Coffee

Q. What is Difference between AWT and Swing ?

A. AWT is an acronym .Swing is a word.

Q. How will you call an Applet from a Java Script?

A. I will give invitation.

Q. Why do you Canvas ?

A. To get victory in election.

Q. How you can know about drivers and database information?

A. I will go and enquire in the bus depot.

Q. What is serialization ?

A. Arranging one after ther other from left to right.

Q. What is bean ? Where it can be used ?

A. A kind of vegetable. In kitchens for cooking they can be used.

Q. How to communicate 2 threads each other ?

A. Non living things can not communicate.

Q. Can I modify an object in CORBA ?

A. As you wish ,I do not have any objections.

Q. What are virtual functions ?

A. Functions about which we are dreaming.

Q. Write down how will you create a binary Tree ?

A. When we sow a binary seed,a binary tree will grow.

Q. What is the exact difference in between Unicast and Multicast object ?

A. If in a society ,if there is only one caste ,then it is Unicast, Else it is multicast.

Q. I want to store more than 10 objects in a remote server ? Which methodology will follow ?

A. Send it through courier.

Q. What is meant by flickering ?

A. Closing and opening of eyes at girls.

Q. What is meant by distributed Application ?

A. Distributing application forms

Q. Explain 2 tier and 3 -tier Architecture ?

A. Two wheelers like scooters will have 2 tyres and autorickshaws will have 3 tyres.

ALL THE BEST.