441.What is the difference between a static and a non-static inner class?

442. What is meant by tab pans ?

443.What is persistence ?

444. What is Introspection ?

445.What is the use of JTree ?

446. What is an object's lock and which object's have locks?

447.Say any two properties in Beans ?

448.What is meant by manifest files ?

449. How can you add and remove nodes in Jtree.

450. What is the % operator?

451. What are the steps involved to create a bean ?

452. What are all the components used in Swing ?

453.Which class has no duplicate elements

454. What is meant by CardLayout ?

455. Which class is extended by all other classes?

456.What is meant by Applet Stub Interface ?

457. How do you load an HTML page from an Applet ?

458. How to find the host from which the Applet has originated ?

459. What is the purpose of run-time class and system class

460.Which non-Unicode letter characters may be used as the first character of an identifier?

461. What are the interfaces defined by Java.lang ?

462.What is the use of ‘this’ ?

463. What is meant by time-slicing ?

464.What are the thread-to-thread communcation ?

465.Name 2 classes that can store arbitrary number of objects ?

466. What are the methods in Applet

467.Is there any heavy weight component in Swings ?

468. For concatenation of strings, which method is good, StringBuffer or String ?

469. What is Runnable interface ? Are there any other ways to make a java program as multithred java program?

470. What is the use of UnicastRemoteObject in RMI?

471. What is meant by binding in RMI?

472. What is the role java.rmi.Naming Class?

473. What are the steps to create a basic servlet?

474. When assertions should be avoided?

475.Can you write a Java class that could be used both as an applet as well as an application?

476. How could Java classes direct program messages to the system console, but error messages, say to a file?

477. What happens to a static var that is defined within a method of a class ?

478. To what value is a variable of the boolean type automatically initialized?

479.Is null a keyword?

480.What restrictions are placed on the location of a package statement within a source code file?

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