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Session bean

A. Represents a single client inside the application server

B. Can not be shared

C. Is not persistent

D. Satisfies all of the above conditions

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  1. When present, package must be the first no comment statement in the file.
  2. A string object can not be modified after it is created.
  3. Every method of a final in class is implicitly final.
  4. Any class may be inherited by another class in the same package.
  5. Which of the following control expressions are valid for an if statement?
  6. In order to connect to a database through java program we must create _______-
  7. Which of the following methods belong to the String class?
  8. Which of the following methods can be used to remove a component from the display?
  9. Frames and applets cannot be used together in the same program.
  10. Java is fully object oriented programme.
  11. Objects are passed to a method by use of call-by-reference.
  12. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  13. Which are the valid ways to create DataInputStream streams?
  14. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  15. JdbcOdbcDriver is an object of Object class
  16. Which of the following are not keywords?
  17. The name of the RMI compiler is ___________
  18. The default case is always required in the switch selection structure.
  19. Give file is a file object, which of the following are legal statements to create a new file.
  20. When we invoke repaint () for a Component, the AWT invokes the method:
  21. Which of the following command lines options generates documentation for all classes and methods?
  22. In the code below, what data types the variable x can have?
  23. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
  24. The setBackground() method is part of the class
  25. Servlet has ___________
  26. In RMI before running the client program we must start RMI Registry.
  27. The programmer must explicitly create the system .in and system .out objects.
  28. executeUpdate automatically updates data because___________
  29. Which of the following are keywords?
  30. It is perfectly legal to assign a subclass object to a supper class reference.