Which of the following methods are overridden by the FileInputStream class?
Each correct answer represents a complete solution. Choose all that apply.
Harry works as a Software Developer for SoftTech Inc. He has developed a Java application to perform various SQL statements such as INSERT, UPDATE, etc., against a database table named Employee. He has used the executeUpdate() method to perform various SQL queries and to know the exact affected rows in the database if any of the operations is performed against the database table.
Which of the following types of values is returned by this method?
You work as a Software Developer for NewTech Inc. You write a bean class using Enterprise
JavaBeans 3.0. The class uses the @DeclareRoles ("ADMIN, HR, DBA, USER") annotation to declare the security roles. The class contains a method named showResult(). You want to ensure that the ADMIN role is granted privilege to the showResult() method. Moreover, if a role that is not allowed to access the method tries to call the method, an error message must be shown. Assuming that there is no security-related element in the deployment descriptor, which of the following will you use to accomplish the task?
Each correct answer represents a part of the solution. Choose two.
Which of the following statements about a JAR file are true?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following methods is used to encrypt or decrypt data in a single step?
In which of the following cases is the GET method used to retrieve information?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following
Which of the following statements are true?
Each correct answer represents a complete solution. Choose all that apply.
Which of the following statements correctly describe the features of the singleton pattern?
Each correct answer represents a complete solution. Choose all that apply.
Mark works as a Programmer for InfoTech Inc. He creates a program that uses the following code.
1. class Book
2. {
3. Short f1= 15;
4. Book GetDetails(Book b1)
5. {
6. b1=null;
7. return b1;
8. }
9. public static void main(String args[])
10. {
11. Book b1 = new Book();
12. Book b2 = new Book();
13. Book b3 = b1.GetDetails(b2);
14. b1=null;
15. //code
16. }
17. }
How many objects will be eligible for garbage collection when line 15 is reached?
