麻烦帮忙看一下这段代码，为什么file.createNewFile()可以省略？

Question

//---SD Card Storage---File sdCard = Environment.getExternalStorageDirectory();File directory = new File (sdCard.getAbsolutePath() +“/MyFiles”);directory.mkdirs();File file = new File(directory, “textfile.txt”);FileOutputStream fOut = new FileOutputStream(file);OutputStreamWriter osw = newOutputStreamWriter(fOut);//---write the string to the file---osw.write(str);osw.flush();osw.close();

Answer 1

sdCard = Environment.getExternalStorageDirectory(); File directory = new File (sdCard.getAbsolutePath() + “/MyFiles”); directory.mkdirs(); File file = new File(dire

Answer 2

因为那个文件存在