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();

时间:2022-10-05 14:48:13 所属题库:java工程师信产部认证考试题库

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