Which of the following are the wrapper classes?

A. Random

B. Vector

C. Byte

D. all of the above

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. A package is a collection of
  2. A thread can make second thread ineligible for execution by calling the suspend (-) method on second…
  3. Which of the following are not keywords?
  4. The keywords reserved but not used in the initial version of Java re:
  5. forName() is a static factory method
  6. When we implement the Runnable interface, we must define the method
  7. Objects are passed to a method by use of call-by-reference.
  8. The expression (x == y && a<b) is true If either x == y is true or a<b is true.
  9. Which of the following represent legal flow control statements?
  10. executeUpdate(------------) returns ___________
  11. It is perfectly legal to assign a subclass object to a supper class reference.
  12. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…
  13. A panel can not be added to another panel.
  14. Consider the following class definitions: class maths { student student1; } class student { String name;…
  15. With javadoc, which of the following denotes a javadoc comment?
  16. Which exception is thrown by the read() method of InputStream class?
  17. Which of the following are the wrapper classes?
  18. What is wrong in the following class definitions? abstract class print { abstract show();} class…
  19. A catch can have comma-separated multiple arguments.
  20. When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
  21. In the code below, what data types the variable x can have?
  22. Consider the following statements: int x = 10, y = 15; x = ((x < y) ? (y + x) : (y - x); What will…
  23. Members of a class specified as private are accessible only to the methods of the class.
  24. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  25. If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
  26. EJBs can be of the following type(s)None of the above
  27. The programmer must explicitly create the system .in and system .out objects.
  28. It is an error to catch the same type of exception in two different catch blocks associated with a particular…
  29. Which key word can protect a class in package from accessibility by the classes outside the package?
  30. DataInput is