Java7 新特性：创建文件和目录的示例程序。

import java.io.IOException;  import java.nio.file.FileSystems;  import java.nio.file.Files;  import java.nio.file.Path;     public class FileCreation {         public static void main(String[] args) {             Path pathToDirectory = FileSystems.getDefault().getPath("C:/Ablage/dev/workspace");                     try {                             Files.createDirectories(pathToDirectory);              System.out.println("Directory created at path : " + pathToDirectory);                     } catch (IOException e) {                             e.printStackTrace();          }             Path pathToFile = FileSystems.getDefault().getPath("C:/Ablage/dev/workspace/hello.pdf");                     try {                             Files.createFile(pathToFile);              System.out.println("File created at path : " + pathToFile);                         } catch (IOException e) {                         e.printStackTrace();          }                 }     }