Activity: Binary files
Develop a Java application that reads the contents of each of the files located in a given
folder, identify the format and assign the corresponding extension according to the
established file signature. The file formats that the application must recognize are:
File extension
File description
1
rar
RAR file format
2
7z
7-Zip file format
3
bmp
Bitmap image format
4
jpg
JPEG image format
5
png
PNG image format
6
gif
GIF image format
7
pdf
PDF document format
8
mp3
MP3 audio format
9
m4a
AAC audio format
10
zip
PKZIP file format
Generate an output file with the name “Report.csv” and the next structure:
Old filename
New filename