All methods in an abstract class must be declared abstract.

A. True

B. False

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  2. Consider the following statements: int x = 10, y = 15; x = ((x < y) ? (y + x) : (y - x); What will…
  3. Which javadoc tag is used to denote a comment for methods parameters?
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  11. In the code below, what data types the variable x can have?
  12. A constructor must always invoke its supper class constructor in its first statement.
  13. executeUpdate(------------) returns ___________
  14. For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.
  15. In RMI we invoke client method from remote server
  16. JdbcOdbcDriver is an object of Object class
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  19. All methods in an abstract class must be declared abstract.
  20. It is perfectly legal to assign a subclass object to a supper class reference.
  21. The expression (x == y && a<b) is true If either x == y is true or a<b is true.
  22. A method declared as static can not access non-static class members.
  23. JSP files creates ________________
  24. A static class method can be invoked by simply using the name of the method alone.
  25. Declarations can appear anywhere in the body of a Java method.
  26. A catch can have comma-separated multiple arguments.
  27. In a single Servlet class we can use____________
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  29. Which of the following will produce a value of 10 if x = 9.7?
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