java工程师信产部认证考试

多选题在J2EE中,下面代码中,()不会编译错误。AFile f = new File(/,autoexec.bat);BDataInputStream din = new DataInputStream(new FileInputStream(autoexec.bat));CInputStreamReader in = new InputStreamReader(System.in);DOutputStreamWriter out = new OutputStreamWriter(System.in);

题目
多选题
在J2EE中,下面代码中,()不会编译错误。
A

File f = new File(/,autoexec.bat);

B

DataInputStream din = new DataInputStream(new FileInputStream(autoexec.bat));

C

InputStreamReader in = new InputStreamReader(System.in);

D

OutputStreamWriter out = new OutputStreamWriter(System.in);

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