Which of the Following Statements Is Correct About Constants

Multiple Choice

Which of the following statements is correct about constants?

A) Constants are written using uppercase letters because the compiler ignores constants declared in lowercase letters.
B) The data stored inside a final variable can be changed using an assignment statement.
C) You can make a variable constant by using the constant reserved word while declaring the variable.
D) Variables defined using final make a code snippet more readable and easier to maintain.