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For all insert, update, delete, query operations on a database, ResultSet object creation is mandatory.

A. True.

B. False.

Please do not use chat terms. Example: avoid using "grt" instead of "great".

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  1. Consider the following class definitions: class maths { student student1; } class student { String name;…
  2. Which of the following control expressions are valid for an if statement?
  3. DriverManager.getConnection("jdbc:odbc:dsn_name") method does not depend on the class.forName(...) method.
  4. Any method in a supper class can be over ridden in its subclass.
  5. Message-Driven beans act as a listener for the Java Message Service API, processing messages synchronously
  6. Which of the following methods can be used to change the size of a size() *resize()
  7. When present, package must be the first no comment statement in the file.
  8. When X is a positive number the operations x>> 2 and x>>>2 both produce the same result.
  9. When we implement an interface method, it should be declared as public.
  10. Submit button always fires doPost(...)
  11. What is java -g used for?
  12. If you want to assign a value of 99 to the variable year, then which of the following lines can be used…
  13. Which of the following keywords are used to control access to a class member?
  14. The concept of multiple inheritance is implemented in Java by
  15. A class may be both abstract and final.
  16. We can add more than one class(es) at the time of compilation Java Beans.
  17. If a=10 and b= 15, then the statement x =(a>b)?a:b; assigns the value 15 to x.
  18. With javadoc, which of the following denotes a javadoc comment?
  19. What is error in the following class definitions? abstract class xy { abstract sum(int x, int y)…
  20. In the code below, what data types the variable x can have?
  21. A package is a collection of
  22. All methods in an abstract class must be declared abstract.
  23. A catch can have comma-separated multiple arguments.
  24. The break statement is required in the default case of a switch selection structure.
  25. In RMI we invoke client method from remote server
  26. The length of a string object 's1' can be obtained using the expression s1.length.
  27. A constructor must always invoke its supper class constructor in its first statement.
  28. Which exception is thrown by the read() method of InputStream class?
  29. Which of the following are not keywords?
  30. The name of the RMI compiler is ___________