Click the ____ button to sort from Z to A or high to low.

When a file is opened for Append,

(A) data may be read starting at the beginning of the file. (B) data written to the file replaces the data already there. (C) data written to the file are inserted at the beginning of the file. (D) data written to the file are added at the end of the file.

What is a wrapper class?

What will be an ideal response?