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A string object can not be modified after it is created.

A. True

B. False

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  1. Which are the valid ways to create DataInputStream streams?
  2. Frames and applets cannot be used together in the same program.
  3. In the code below, what data types the variable x can have?
  4. Which of the following methods can be used to remove a component from the display?
  5. When we implement an interface method, it should be declared as public.
  6. Which of the following classes are available in the java.lang package?
  7. Which javadoc tag is used to denote a comment for methods parameters?
  8. Members of a class specified as private are accessible only to the methods of the class.
  9. It is an error if a class with one or more abstract methods is not explicitly declared abstract.
  10. When the string objects are compared with ==, the result is true If the strings contain the same values.
  11. JdbcOdbcDriver is an object of Object class
  12. Which of the following statements are true?
  13. The setBackground() method is part of the class
  14. The methods wait() and noify() are defined in
  15. A thread can make second thread ineligible for execution by calling the suspend (-) method on second…
  16. All the bitwise operators have the same level of precedence in Java.
  17. In RMI we invoke client method from remote server
  18. A Java monitor must either extend thread class or implement Runnable interface.
  19. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  20. The default case is always required in the switch selection structure.
  21. Give file is a file object, which of the following are legal statements to create a new file.
  22. Which key word can protect a class in package from accessibility by the classes outside the package?
  23. Which exception is thrown by the read() method of InputStream class?
  24. Which of the following keywords are used to control access to a class member?
  25. In order to connect to a database through java program we must create _______-
  26. All methods in an abstract class must be declared abstract.
  27. It is an error to have a method with the same signature in both the super class and its subclass.
  28. putValue(...) method takes _____________________-
  29. A JSP file can be stored_________________
  30. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…