Java File創建文件夾及文件

@Test
public void testFile(){
    File file = new File("E:\\code\\hello");
    File file1 = new File(file,"hello.txt");
    if(!file.exists()){
        file.mkdir();  //創建文件夾
        try {
            file1.createNewFile();//創建文件
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("-------file create---------"+file1.getAbsolutePath());
    }
}