以下Java程序代码中,能创建 Bufferedreader对象的是
A
BufferedReader in=new BufferedReader(new FileReader(“a .dat” ));
B
BufferedReader in=new BufferedReader(new Reader("a. dat"));
C
BufferedReader in=new BufferedReader(new FilelnputStream("a. dat"));
D
BufferedReader in =new BufferedReader(new InputStream("a dat"));