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Submit button always fires doPost(...)

A. True

B. False

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  1. We can over load methods with differences only in their return type.
  2. A panel can not be added to another panel.
  3. All the bitwise operators have the same level of precedence in Java.
  4. Which of the following are not keywords?
  5. Which of the following methods can be used to draw the outline of a square?
  6. Consider the following class definitions: class maths { student student1; } class student { String name;…
  7. The methods wait() and noify() are defined in
  8. If you want to assign a value of 99 to the variable year, then which of the following lines can be used…
  9. The import statement is always the first no comment statement in a Java program files.
  10. Objects are passed to a method by use of call-by-reference.
  11. Which of the following command lines options generates documentation for all classes and methods?
  12. Any method in a supper class can be over ridden in its subclass.
  13. When present, package must be the first no comment statement in the file.
  14. It is an error to have a method with the same signature in both the super class and its subclass.
  15. The programmer must explicitly create the system .in and system .out objects.
  16. Every method of a final in class is implicitly final.
  17. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…
  18. One the features of is that an array can store many different types of values.
  19. We can add more than one class(es) at the time of compilation Java Beans.
  20. The expression (x == y && a<b) is true If either x == y is true or a<b is true.
  21. Java always provides a default constructor to a class.
  22. Which of the following control expressions are valid for an if statement?
  23. executeUpdate(------------) returns ___________
  24. Servlet has ___________
  25. In RMI before running the client program we must start RMI Registry.
  26. Which of the following methods belong to the String class?
  27. It is perfectly legal to refer to any instance variable inside of a static method.
  28. What is wrong in the following class definitions? abstract class print { abstract show();} class…
  29. The name of a Java program file must match the name of the class with the extension Java.
  30. It is perfectly legal to assign a subclass object to a supper class reference.