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1. Implement the Listener interface and overrides its methods is required to perform in event handling.

2. In Iterator, hasMoreElements() method of Enumeration has been changed to:

3. Following code will result in: int a1 = 5; double a2 = (float)a1;

4. A class can be transient

5. An abstract class can have non-abstract methods.

6. Which of the following object of HttpSession can be used to view and manipulate information about a session?

7. With regard to the servlet context listener, which of the following methods is valid?

8. TreeSet maintains which order?

9. Which of the following is a valid long literal?

10. Which of the following is not an event listener adapter defined in the java.awt.event package?