How to change image permission mode to 777 using Java code?

chmod 777777 means User, Group, and Others all have full read, write, and execute permissions. However, granting such permissions can pose a security risk.You almost never need 777 permissions on any type of file, and you absolutely never need 777 on a non-executable file. – skiphoppy Commented Apr 4, 2012 at 10:51