学习笔记 - java创建文件夹

public class FileTest {

public static void main(String[] args) {
// TODO Auto-generated method stub
//创建一个目录
try {
new FileTest().makeDir("D:\\Program Files\\mygram");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

public void makeDir(String filePath) throws Exception{
File file = new File(filePath);
if(!file.isDirectory() && !file.isFile())
file.mkdirs();
else
throw new Exception("文件或文件夹已经存在");
}
}