I want to develope java application taht have an interfce. This application will be run on all those OS which java supports e.g. Windows, Unix, Solaris ... Which classes i use to design interface that will be good for all OS. I also want to create text file in this application on C drive in any directory. How i handle the path slashes in different OS.

I am developing a java application and i want to get the Operation System Info. that which OS in installed on machine.

I am developing a java application and i want to get the Operation System Info. that which OS in installed on machine.