java显示本地磁盘所有盘符，显示桌面路径

import java.io.File;
import javax.swing.filechooser.FileSystemView;

/** 显示本地磁盘根盘符，显示桌面路径 */
public class RDDemo {
static File[] files;

public static void main(String[] args) {
FileSystemView sys = FileSystemView.getFileSystemView();
files = sys.getRoots();
System.out.println(files.length);
for (int i = 0; i < files.length; i++) {
System.out.println(files[i]);
}
files = File.listRoots();
System.out.println(files.length);
for (int i = 0; i < files.length; i++) {
System.out.println(files[i] + " -- "
+ sys.getSystemTypeDescription(files[i]));
}
}
}