What is character file and binary file?

Ans :
Character files: Character files are developed by the programmers. It can be understood by humans.
     Ex: any text, java file.
Binary files: Binary files are not developed by the programmers. It cannot be understood by humans.
     Ex: .classes,image files etc.
(Or)

Developing a file by user is known as character file, generating 
a new file for user file by software is known as binary file which are not understandable by user.