Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously

A. True

B. False

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  1. Which of the following methods belong to the String class?
  2. What is java -g used for?
  3. The check box group class is a subclass of the component class.
  4. When present, package must be the first no comment statement in the file.
  5. The expression (x == y && a<b) is true If either x == y is true or a<b is true.
  6. In RMI before running the client program we must start RMI Registry.
  7. When the string objects are compared with ==, the result is true If the strings contain the same values.
  8. The name of a Java program file must match the name of the class with the extension Java.
  9. It is an error if a class with one or more abstract methods is not explicitly declared abstract.
  10. Objects are passed to a method by use of call-by-reference.
  11. In order to connect to a database through java program we must create _______-
  12. Connection, Statement are interfaces and ResultSet is a class.
  13. Servlet has ___________
  14. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  15. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  16. Servlet can have ___________
  17. Java always provides a default constructor to a class.
  18. A thread can make second thread ineligible for execution by calling the suspend (-) method on second…
  19. Consider the following class definition.Class Student extends String{}What happens when we try to compile…
  20. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  21. Given the codeString s = new String("abc");Which of the following calls are valid?
  22. Which of the following statements are true?
  23. A JSP file can be stored_________________
  24. An EJB is a server-side component that encapsulates the business logic of an application
  25. It is an error to have a method with the same signature in both the super class and its subclass.
  26. Declarations can appear anywhere in the body of a Java method.
  27. Which of the following will produce a value of 22 if x=22.9:
  28. A final class may not have any abstract method.
  29. Session bean
  30. Any class may be inherited by another class in the same package.