[JAVA] INFO STORAGE USE NIO

     import java.io.IOException;

     import java.nio.file.FileStore;

     import java.nio.file.Files;

     import java.nio.file.Path;

     import java.nio.file.Paths;

     public class DiskSpaceNIO {

         public static void main(String[] args) throws IOException {

             Path path = Paths.get("/"); // Root directory

             FileStore store = Files.getFileStore(path);

             long totalSpace = store.getTotalSpace();

             long unallocatedSpace = store.getUnallocatedSpace();

             long usableSpace = store.getUsableSpace();

             System.out.println("Total space: " + totalSpace + " bytes");

             System.out.println("Unallocated space: " + unallocatedSpace + " bytes");

             System.out.println("Usable space: " + usableSpace + " bytes");

         }

     }