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Objects are passed to a method by use of call-by-reference.

A. True

B. False

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  2. The programmer must explicitly create the system .in and system .out objects.
  3. Frames and applets cannot be used together in the same program.
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  5. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
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  11. In RMI we invoke client method from remote server
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  13. JdbcOdbcDriver is an object of Object class
  14. Session bean
  15. The check box group class is a subclass of the component class.
  16. In the code below, what data types the variable x can have?
  17. Any method in a supper class can be over ridden in its subclass.
  18. In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean…
  19. Which of the following methods belong to the String class?
  20. A constructor must always invoke its supper class constructor in its first statement.
  21. Given the codeString s = new String("abc");Which of the following calls are valid?
  22. Servlet has ___________
  23. forName() is a static factory method
  24. Which of the following are the wrapper classes?
  25. When the string objects are compared with ==, the result is true If the strings contain the same values.
  26. Which of the following keywords are used to control access to a class member?
  27. What is wrong in the following class definitions? abstract class print { abstract show();} class…
  28. What is java -g used for?
  29. Which of the following represent legal flow control statements?
  30. We can over load methods with differences only in their return type.