Case-Based Critical Thinking Questions Case 1 - Human Resources Application

Case-Based Critical Thinking Questions Case 1 - Human Resources Application
An application used by the Human Resources (HR) department needs to be improved. You need to use various string manipulation properties and methods to ensure all data entered by a user is accurate and stored correctly.
The HR department has decided to change the Finance department number from 04 to 09. Which of the following statements correctly changes the contents of the strEmpCode ?

A) strEmpCode = strEmpCode.Replace("04", "09")
B) strEmpCode = strEmpCode.Replace("09", "04")
C) strEmpCode = strEmpCode.Remove(0, 2) strEmpCode = strEmpCode.Insert(1, "09")
D) strEmpCode = strEmpCode.Remove(1, 2) strEmpCode = strEmpCode.Insert(1, "04")