A final class may not have any abstract method.

A. True

B. False

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  1. A package is a collection of
  2. Consider the following class definitions: class maths { student student1; } class student { String name;…
  3. Which are the valid ways to create DataInputStream streams?
  4. A catch can have comma-separated multiple arguments.
  5. The check box group class is a subclass of the component class.
  6. Which of the following are not keywords?
  7. JdbcOdbcDriver is an object of Object class
  8. The length of a string object 's1' can be obtained using the expression s1.length.
  9. Submit button always fires doPost(...)
  10. The import statement is always the first no comment statement in a Java program files.
  11. A constructor must always invoke its supper class constructor in its first statement.
  12. All methods in an abstract class must be declared abstract.
  13. Which of the following statements are valid array declarations?
  14. In order to connect to a database through java program we must create _______-
  15. Connection, Statement are interfaces and ResultSet is a class.
  16. Which exception is thrown by the read() method of InputStream class?
  17. It is perfectly legal to refer to any instance variable inside of a static method.
  18. Java is fully object oriented programme.
  19. A panel can not be added to another panel.
  20. An EJB is a server-side component that encapsulates the business logic of an application
  21. Which of the following command lines options generates documentation for all classes and methods?
  22. Which of the following represent legal flow control statements?
  23. Which of the following keywords are used to control access to a class member?
  24. In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean…
  25. Consider the following statements: int x = 10, y = 15; x = ((x < y) ? (y + x) : (y - x); What will…
  26. When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
  27. When the string objects are compared with ==, the result is true If the strings contain the same values.
  28. Which javadoc tag is used to denote a comment for methods parameters?
  29. All the bitwise operators have the same level of precedence in Java.
  30. Which of the following are the wrapper classes?