JAVA FAQS 400-480

401 Why is Socket used ?
402 What are the types of JDBC drivers ?
403 Explain the third driver(Native protocol driver) ?
404 Which among the four driver is pure Java driver ?
405 What are the Isolation level in JDBC transaction ?
406 How do you connect with the database ?
407 How do you connect without the Class.forName (” “) ?
408 What does Class.forName return ?
409 What are the types of statement ?
410 Why is preparedStatement,CallableStatement used for?
412 Difference between AWT and Swing compenents ?
414 Can the Swing application if you upload in net, be compatible with your browser?
416 What should you do get your browser compatible with swing components?
417 What are the methods in Applet ?
418 When is init(),start() called ?
419 When you navigate from one applet to another what are the methods called ?
421 What is the difference between Trusted and Untrusted Applet ?
422 What is Exception ?
423 What are the ways you can handle exception ?
424 When is try,catch block used ?
425 What is finally method in Exceptions ?
426 What are the types of access modifiers ?
427 What is protected and friendly ?
428 What are the other modifiers ?
429 Is synchronised modifier ?
430 What is meant by polymorphism ?
431 What is inheritance ?
432 What is method Overloading ? What is this in OOPS ?
433 What is method Overriding ? What is it in OOPS ?
434 Does java support multi dimensional arrays ?
435 Is multiple inheritance used in Java ?
436 How do you send a message to the browser in JavaScript ?
437 Does javascript support multidimensional arrays ?
438 Why is XML used mainly?
440 What is DTD ?
441 Is there any tool in java that can create reports ?
456 Describe an object.
457 What are sockets?
458 What are threads?
476 What’s the difference between UDP and TCP?
478 What is the difference between a static and non-static field (Java)
479 What’s the difference between a stack and a Queue?