超星 - 字节流测验

单选题

过滤字节输出流都是____抽象类的子类。

A. FilterOutputStream
B. Dataoutput
C. DataOutputStream
D. InflateroutputStream

单选题

下列程序中，在X处应加入哪条语句，程序才能通过编译并正常运行？public class Foo{public static void main(String[] args) throws Exception{PrintWriter out = new PrintWriter(newjava.io.OutputStreamWriter(System.out)，true);out.println("Hello");}}

A. import java.io.PrintWriter;
B. include java.io.PrintWriter;
C. import java.io.OutputStreamwriter;
D. include java.io.OutputStreamWriter;

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多选题

下面哪个语句能够正确地创建一个InputStreamReader的实例？

A. new InputStreamReader(new FileInputStream("data"));
B. new InputStreamReader(new FileReader("data"));
C. new InputStreamReader(new BufferedReader("data"));
D. new InputStreamReader("data");
E. new InputStreamReader(System.in);

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多选题

构造BufferedInputStream的合适参数是哪个?

A. BufferedInputStream
BufferedOutputStream
C. FileInputStream
D. FileOuterStream
E. File

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