Java控制台录入

public class Demo {public static void main(String[] args) {byte[] bytes = new byte[1024];int ch = 0;int pos = 0;String info = null;while (true) {try {ch = System.in.read();switch (ch) {case '/r':break;case '/n':info = new String(bytes, 0, pos);if (info.equals("exit"))return;else {System.out.println(info);pos = 0;break;}default:bytes[pos++] = (byte) ch;break;}} catch (IOException e) {e.printStackTrace();}}}}