java.nio.file.FileSystems Class in Java

// Java Program to illustrate FileSystems Class by
// creating a new file system using getDefault() method and
// printing its file stores and root directories

// Importing classes from java.nio package
// for network linking
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Path;

// Main class
public class GFG {

    // Main driver method
    public static void main(String[] args)
    {
        // Try block to check for exceptions
        try {

            // Create a new file system by
            // creating object of FileSystem class
            // using getDefault() method
            FileSystem filesystem
                = FileSystems.getDefault();

            // Display commands only
            System.out.println(
                "File System created successfully");

            System.out.println(
                "Underlying file stores of this FileSystem :");

            // Printing the underlying file stores of this
            // FileSystem using for each loop
            for (FileStore store :
                 filesystem.getFileStores()) {

                // Print statement
                System.out.println(store.toString());
            }

            // Display message only
            System.out.println(
                "Root directories of this FileSystem :");

            // Printing the root directories of this
            // FileSystem using for each loop
            for (Path rootdir :
                 filesystem.getRootDirectories()) {

                // Print statement
                System.out.println(rootdir.toString());
            }
        }

        // Catch block to handle the exceptions
        catch (Exception e) {

            // Print the exception along with line number
            // using printStackTrace() method
            e.printStackTrace();
        }
    }
}

// Java Program to illustrate FileSystems Class by
// creating new file system using newFileSystem() method

// Importing URI class from java.net package
import java.net.URI;
// Importing required file classes from java.nio package
import java.nio.file.FileSystem;
import java.nio.file.FileSystems;
import java.nio.file.Path;
import java.nio.file.Paths;
// Importing Map and HashMap classes from java.util package
import java.util.HashMap;
import java.util.Map;

// Main class
public class GFG {

    // Main driver method
    public static void main(String[] args)
    {

        // Try block to check for exceptions
        try {

            // Creating object of Map class
            // Declaring object of string types
            Map<String, String> env = new HashMap<>();

            // Getting path of zip file
            Path zipPath = Paths.get("ZipFile.zip");

            // Creating URI from zip path received
            URI Uri
                = new URI("jar:file",
                          zipPath.toUri().getPath(), null);

            // Create new file system from uri
            FileSystem filesystem
                = FileSystems.newFileSystem(Uri, env);

            // Display message for better readability
            System.out.println(
                "FileSystem created successfully");

            // Checking if file system is open or not
            // using isOpen() method
            if (filesystem.isOpen())

                // Print statement
                System.out.println("File system is open");
            else

                // Print statement
                System.out.println("File system is close");
        }

        // Catch block to handle the exceptions
        catch (Exception e) {

            // Print the exception with line number
            // using the printStack() method
            e.printStackTrace();
        }
    }
}