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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. If m and n are int type variables, what will be the result of the expression'm % n' when m = -14 and…
  2. Servlet has ___________
  3. In RMI we invoke client method from remote server
  4. Which of the following are not keywords?
  5. It is an error to have a method with the same signature in both the super class and its subclass.
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  7. Which of the following string can be used as mode string for creating a RandomAccessFile object?
  8. Which javadoc tag is used to denote a comment for methods parameters?
  9. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
  10. Which of the following command lines options generates documentation for all classes and methods?
  11. A package is a collection of
  12. Declaring a method synchronized guarantees that the deadlock cannot occur.
  13. Which of the following statements are valid array declarations?
  14. EJBs can be of the following type(s)None of the above
  15. Which of the following methods can be used to change the size of a size() *resize()
  16. In a single Servlet class we can use____________
  17. When we implement an interface method, it should be declared as public.
  18. The import statement is always the first no comment statement in a Java program files.
  19. Which of the following statements are true?
  20. The check box group class is a subclass of the component class.
  21. The setBackground() method is part of the class
  22. What is wrong in the following class definitions? abstract class print { abstract show();} class…
  23. The use of protected keyword to a member in a class will restrict its visibility as follows:
  24. Which of the following methods belong to the String class?
  25. If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
  26. When we invoke repaint () for a Component, the AWT invokes the method:
  27. Declarations can appear anywhere in the body of a Java method.
  28. executeUpdate(------------) returns ___________
  29. In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean…
  30. A variable declared inside the for loop control can not be referenced out side the loop.