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Any method in a supper class can be over ridden in its subclass.

A. True

B. False

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  1. A string object can not be modified after it is created.
  2. When we implement an interface method, it should be declared as public.
  3. The modulus operator (%) can be used only with Integer operands.
  4. The break statement is required in the default case of a switch selection structure.
  5. A variable declared inside the for loop control can not be referenced out side the loop.
  6. A final class may not have any abstract method.
  7. Which of the following will produce a value of 10 if x = 9.7?
  8. Submit button always fires doPost(...)
  9. In RMI we invoke client method from remote server
  10. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  11. putValue(...) method takes _____________________-
  12. Give file is a file object, which of the following are legal statements to create a new file.
  13. The methods wait() and noify() are defined in
  14. Which of the following methods belong to the String class?
  15. The default case is always required in the switch selection structure.
  16. Servlet has ___________
  17. The programmer must explicitly create the system .in and system .out objects.
  18. A static class method can be invoked by simply using the name of the method alone.
  19. When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
  20. The import statement is always the first no comment statement in a Java program files.
  21. In RMI before running the client program we must start RMI Registry.
  22. It is an error if a class with one or more abstract methods is not explicitly declared abstract.
  23. A method declared as static can not access non-static class members.
  24. One the features of is that an array can store many different types of values.
  25. A package is a collection of
  26. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  27. Which of the following command lines options generates documentation for all classes and methods?
  28. The use of protected keyword to a member in a class will restrict its visibility as follows:
  29. Two methods cannot have the same name in Java.
  30. What is java -g used for?