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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. A panel can not be added to another panel.
  2. With javadoc, which of the following denotes a javadoc comment?
  3. Consider the following class definitions: class maths { student student1; } class student { String name;…
  4. We would like to make a member of a class visible in all subclasses regardless of what package they…
  5. Consider the following code snippet: try {int x=0; int y=50/x; System.out.println("Division by zero");…
  6. The name of a Java program file must match the name of the class with the extension Java.
  7. putValue(...) method takes _____________________-
  8. Which of the following are the wrapper classes?
  9. The import statement is always the first no comment statement in a Java program files.
  10. To delete a file, we can use an instance of class file.
  11. Which of the following string can be used as mode string for creating a RandomAccessFile object?
  12. A Java monitor must either extend thread class or implement Runnable interface.
  13. We can over load methods with differences only in their return type.
  14. If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
  15. Which of the following are keywords?
  16. All methods in an abstract class must be declared abstract.
  17. Consider the following class definition.Class Student extends String{}What happens when we try to compile…
  18. When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
  19. Which of the following will produce a value of 10 if x = 9.7?
  20. What does the following line of code do?TextField text=new TextField(10);
  21. Servlet can have ___________
  22. Session bean
  23. In evaluating a logical expression of type 'Boolean expression 1&& Boolean expression 2', both the Boolean…
  24. Every call to wait has a corresponding call to notify that will eventually end the wafting.
  25. JSP files creates ________________
  26. Which of the following classes are available in the java.lang package?
  27. Which of the following methods can be used to remove a component from the display?
  28. A string object can not be modified after it is created.
  29. In the code below, what data types the variable x can have?
  30. The keywords reserved but not used in the initial version of Java re: