A、字符流 B、字节流 C、输出流 D、节点流
A、某人在玩游戏的时候输人密码123456后成功进人游戏(输错5次则被强行退出),要求用程序实现密码验证的过程。 B、提示: C、①使用System.in包装为字符流读取键盘输人。 D、②BufferedReader对字符流进行包装。调用BufferedReader的readLine()方法每次读取一行。 E、③在for循环中判断输人的密码是否为“123456”,如果是则打印“恭喜你进人游戏”,并跳出循环,否则继续循环读取键盘输人。 F、④当循环完毕.密码还不正确,则打印“密码错误,结束游戏”,并调用Sytemexit(0)方法结束程序。
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();