import java.io.File;
public class DiskSpaceDemo {
public static void main(String[] args) {
File file = new File("C:");
long totalSpace = file.getTotalSpace();
System.out.println("Total space on " + file + " = " + totalSpace + "bytes");
// Check the free space in C:
long freeSpace = file.getFreeSpace();
System.out.println("Free space on " + file + " = " + freeSpace + "bytes");
}
}
//Total space on C: = 40015953920bytes
//Free space on C: = 6470483968bytes