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单选题
在J2ee中,以下各项中,()正确阐述了创建InputStreamReader的方式。
A
new InputStreamReader(new FileInputStream(data));
B
new InputStreamReader(new FileReaderdata));
C
new InputStreamReader(new BufferedReader(data));
D
new FileInputStream(data)
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考题
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);
考题
在J2ee中,以下各项中,()正确阐述了创建InputStreamReader的方式。 A、new InputStreamReader(new FileInputStream("data"));B、new InputStreamReader(new FileReader"data"));C、new InputStreamReader(new BufferedReader("data"));D、new FileInputStream("data")
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在J2EE中,利用下列构造函数准备对文件abc.txt操作,但文件abc.txt在当前目录不存在,不会产生运行时错误的是()。 A、BufferedReader breader=new BufferedReader(new FileReader("abc.txt"));B、PrintWriter out = new PrintWriter(new FileWriter(“abc.txt”),true);C、FileInputStream fin = new FileInputStream(“abc.txt”);D、OutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(“abc.txt”));
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J2EE中,以下各项中,()正确阐述了创建InputStreamReader的方式。A、new InputStreamReader(new FileInputSteream(“data”));B、new InputStreamReader(new FileFileReader (“data”));C、new InputStreamReader(new BufferedReader(“data”));D、new InputStreamReader(“data”);
考题
Which constructs a DataOutputStream?() A、 New dataInputStream(“in.txt”);B、 New dataInputStream(new file(“in.txt”));C、 New dataInputStream(new writer(“in.txt”));D、 New dataInputStream(new FileWriter(“in.txt”));E、 New dataInputStream(new InputStream(“in.txt”));F、 New dataInputStream(new FileInputStream(“in.txt”));
考题
Which constructs a BufferedIputStream?()A、 New BufferedInputStream(“in.txt”);B、 New BufferedInputStream(new File(“in.txt”));C、 New BufferedInputStream(Writer(“in.txt”));D、 New BufferedInputStream(new Writer(“in.txt”));E、 New BufferedInputStream(new InputStream(“in.txt”));F、 New BufferedInputStream(new FileInputStream(“in.txt”));
考题
要从文件"file.dat"中读出第10个字节到变量c中,下列哪个方法适合?()A、FileInputStream in=new FileInputStream("file.dat");in.skip(9);intc=in.read()B、FileInputStream in=new FileInputStream("file.dat");in.skip(10);intc=in.read()C、FileInputStream in=new FileInputStream("file.dat");intc=in.read()D、RandomAccessFile in=new RandomAccessFile("file.dat");in.skip(9);intc=in.readByte()
考题
Which two create an InputStream and open file the “file.txt” for reading? ()A、 InputStream in=new FileReader(“file.txt”);B、 InputStream in=new FileInputStream(“file.txt”);C、 InputStream in=new InputStreamFileReader (“file.txt”, “read”);D、 FileInputStream in=new FileReader(new File(“file.txt”));E、 FileInputStream in=new FileInputStream(new File(“file.txt”));
考题
单选题Which constructs a BufferedIputStream?()A
New BufferedInputStream(“in.txt”);B
New BufferedInputStream(new File(“in.txt”));C
New BufferedInputStream(Writer(“in.txt”));D
New BufferedInputStream(new Writer(“in.txt”));E
New BufferedInputStream(new InputStream(“in.txt”));F
New BufferedInputStream(new FileInputStream(“in.txt”));
考题
多选题在J2EE中,利用下列构造函数准备对文件abc.txt操作,但文件abc.txt在当前目录不存在,不会产生运行时错误的是()。ABufferedReader breader=new BufferedReader(new FileReader(abc.txt));BPrintWriter out = new PrintWriter(new FileWriter(“abc.txt”),true);CFileInputStream fin = new FileInputStream(“abc.txt”);DOutputStreamWriter out = new OutputStreamWriter(new FileOutputStream(“abc.txt”));
考题
单选题在J2EE中,以下各项中,()正确阐述了创建inputstreamreader的方式A
new InputStreamReader(new FileInputStream(“data”))B
new InputStreamReader (new FileReader(“data”))C
new InputStreamReader (new BufferedReader(“data”))D
new InputStreamReader ( “data”)
考题
单选题在J2ee中,以下各项中,()正确阐述了创建InputStreamReader的方式。A
new InputStreamReader(new FileInputStream(data));B
new InputStreamReader(new FileReaderdata));C
new InputStreamReader(new BufferedReader(data));D
new FileInputStream(data)
考题
单选题J2EE中,以下各项中,()正确阐述了创建InputStreamReader的方式。A
new InputStreamReader(new FileInputSteream(“data”));B
new InputStreamReader(new FileFileReader (“data”));C
new InputStreamReader(new BufferedReader(“data”));D
new InputStreamReader(“data”);
考题
多选题Which two create an InputStream and open file the “file.txt” for reading? ()AInputStream in=new FileReader(“file.txt”);BInputStream in=new FileInputStream(“file.txt”);CInputStream in=new InputStreamFileReader (“file.txt”, “read”);DFileInputStream in=new FileReader(new File(“file.txt”));EFileInputStream in=new FileInputStream(new File(“file.txt”));
考题
单选题在J2EE中,为了使得在客户端可以接收用户在控制台上的键盘输入,且把键盘输入发送到服务器,同时还要接收服务器给客户端的反馈,需要构造三个用于输入输出的对象变量,以下代码符合要求的是()。其中clientSocket是一个Socket类的对象。A
BufferedRead br1 = System.in; BufferedRead br2 = new BufferedReader(clientSocket.getInputStream())); PrintStream ps = new PrintStream(clientSocket.getOutputStream());B
BufferedReader br1 = new BufferedReader(new InputStreamReader(System.in));BufferedReader br2 = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));PrintStream ps = new PrintStream(clientSocket.getOutputStream());C
BufferedRead br1 = new InputStreamReader(System.in); BufferedReader br2 = newInputStreamReader(clientSocket.getInputStream()); PrintStream ps = new PrintStream(clientSocket.getOutputStream());D
BufferedReader br1 = new BufferedReader(new InputStreamReader(System.in));BufferedReader br2 = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); PrintStream ps = clientSocket.getOutputStream();
考题
单选题Which constructs a DataOutputStream?()A
New dataInputStream(“in.txt”);B
New dataInputStream(new file(“in.txt”));C
New dataInputStream(new writer(“in.txt”));D
New dataInputStream(new FileWriter(“in.txt”));E
New dataInputStream(new InputStream(“in.txt”));F
New dataInputStream(new FileInputStream(“in.txt”));
考题
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);
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