File类

e451. compressing a file in the gzip format.txt

e452. uncompressing a file in the gzip format.txt

e036. reading a file into a byte array.txt

e019. determining if a file or directory exists.tx

e138. getting a jar file using a url.txt

e463. encrypting a file or stream with des.txt

e1054. including a file in a jsp page.txt

e181. creating a file lock on a file.txt

matlab central file exchange - contrast stretch an

decentralized user authentication in a global file