Hi guys, Changed name to ABC. Q. What is the difference between an Abstract class and Interface? A. Terms are different ... nothing more Q. I want to store more than 10 objects in a remote server ? Which methodology will follow ? A. Send it through courier. Q. Can I modify an object in CORBA ? A. As you wish , I do not have any objections. Q. How to communicate 2 threads each other ? A. Non living things can't communicate. Q. What is meant by flickering ? A. Closing and opening of eyes at girls. Q. Explain RMI Architecture? A. I am a computer professional not an architect student. Q. What is the use of Servlets ? A. In hotels, they can replace servers. Q. What is the dif ference between Process and Threads ? A. Threads are small ropes. Make a rope from threads is an example for process. Q. When is update method called ? A. Who is update method? Q. What is JAR file ? A. File that can be kept inside a jar. Q. What is JINI ? A. A ghost which was Aladdin's friend. Q. How will you call an Applet from a Java Script? A. I will give invitation. Q. How you can know about drivers and database information ? A. I will go and enquire in the bus dep ot. Q. What is serialization ? A. Arranging one after the 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. 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 diffe rence between Unicast and Multicast object ? A. If in a society, if there is only one caste, then it is Unicast, else it is multicast