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A package is a collection of

A. classes

B. interface

C. editing tools

D. classes and interfaces

You can do it
  1. Which of the following statements are true?
  2. In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean…
  3. It is an error if a class with one or more abstract methods is not explicitly declared abstract.
  4. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  5. The programmer must explicitly create the system .in and system .out objects.
  6. In a single Servlet class we can use____________
  7. Which of the following statements are true?
  8. Consider the following class definition.Class Student extends String{}What happens when we try to compile…
  9. In order to connect to a database through java program we must create _______-
  10. A class may be both abstract and final.
  11. When the string objects are compared with ==, the result is true If the strings contain the same values.
  12. When we invoke repaint () for a Component, the AWT invokes the method:
  13. The setBackground() method is part of the class
  14. putValue(...) method takes _____________________-
  15. When present, package must be the first no comment statement in the file.
  16. Any class may be inherited by another class in the same package.
  17. Which of the following are keywords?
  18. Session bean
  19. With javadoc, which of the following denotes a javadoc comment?
  20. In RMI we invoke client method from remote server
  21. The concept of multiple inheritance is implemented in Java by
  22. JdbcOdbcDriver is an object of Object class
  23. DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
  24. Objects are passed to a method by use of call-by-reference.
  25. It is perfectly legal to refer to any instance variable inside of a static method.
  26. EJBs can be of the following type(s)None of the above
  27. All methods in an abstract class must be declared abstract.
  28. An EJB is a server-side component that encapsulates the business logic of an application
  29. class.forName(...) creates an instance of java ODBC driver
  30. JSP files creates ________________