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
BufferedReaderin=new BufferedReader(new FileInputStream(“a.dat”));
D
BufferedReader in=new BufferedReader(new InputStream(“a.dat”));