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It is an error to have a method with the same signature in both the super class and its subclass.

A. True

B. False

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  1. Which of the following are not keywords?
  2. Any method in a supper class can be over ridden in its subclass.
  3. Which of the following are the wrapper classes?
  4. Declarations can appear anywhere in the body of a Java method.
  5. Members of a class specified as private are accessible only to the methods of the class.
  6. One the features of is that an array can store many different types of values.
  7. A static class method can be invoked by simply using the name of the method alone.
  8. forName() is a static factory method
  9. Which of the following statements are true?
  10. DataInput is
  11. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…
  12. In the code below, what data types the variable x can have?
  13. Which are the valid ways to create DataInputStream streams?
  14. The import statement is always the first no comment statement in a Java program files.
  15. In RMI we invoke client method from remote server
  16. A JSP file can be stored_________________
  17. Submit button always fires doPost(...)
  18. executeUpdate(------------) returns ___________
  19. JdbcOdbcDriver is an object of Object class
  20. A final class may not have any abstract method.
  21. We can over load methods with differences only in their return type.
  22. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  23. Which javadoc tag is used to denote a comment for methods parameters?
  24. Which of the following methods can be used to change the size of a size() *resize()
  25. Servlet can have ___________
  26. Two methods cannot have the same name in Java.
  27. An EJB is a server-side component that encapsulates the business logic of an application
  28. A Java monitor must either extend thread class or implement Runnable interface.
  29. When we invoke repaint () for a Component, the AWT invokes the method:
  30. Which of the following statements are true?