See https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/windows_dos_copy.mspx?mfr=true
Type: Posts; User: copeg
See https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/windows_dos_copy.mspx?mfr=true
Where do you print the circumference? Perhaps read the API for this method...
PrintStream (Java Platform SE 7 )
...or use System.out.print to print out the value.