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The check box group class is a subclass of the component class.

A. True

B. False

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  1. Servlet has ___________
  2. Throwing an exception always causes program termination.
  3. It is an error to catch the same type of exception in two different catch blocks associated with a particular…
  4. Frames and applets cannot be used together in the same program.
  5. JdbcOdbcDriver is an object of Object class
  6. When the string objects are compared with ==, the result is true If the strings contain the same values.
  7. All the bitwise operators have the same level of precedence in Java.
  8. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  9. In a single Servlet class we can use____________
  10. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  11. The use of protected keyword to a member in a class will restrict its visibility as follows:
  12. The name of a Java program file must match the name of the class with the extension Java.
  13. Which of the following are not keywords?
  14. The default case is always required in the switch selection structure.
  15. We would like to make a member of a class visible in all subclasses regardless of what package they…
  16. DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
  17. What is wrong in the following class definitions? abstract class print { abstract show();} class…
  18. Which of the following are the wrapper classes?
  19. A final class may not have any abstract method.
  20. A variable declared inside the for loop control can not be referenced out side the loop.
  21. What is java -g used for?
  22. Which of the following are keywords?
  23. Members of a class specified as private are accessible only to the methods of the class.
  24. Declarations can appear anywhere in the body of a Java method.
  25. In order to connect to a database through java program we must create _______-
  26. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
  27. Any class may be inherited by another class in the same package.
  28. What does the following line of code do?TextField text=new TextField(10);
  29. Declaring a method synchronized guarantees that the deadlock cannot occur.
  30. Which of the following statements are true?