// 使用 BufferedReader 在控制台读取字符

import java.io.*;

public class BRRead {
 public static void main(String args[]) throws IOException
 {
 char c;
 // 使用 System.in 创建 BufferedReader 
 BufferedReader br = new BufferedReader(new 
 InputStreamReader(System.in));
 System.out.println("Enter characters, 'q' to quit.");
 // 读取字符
 do {
 c = (char) br.read();
 System.out.println(c);
 } while(c != 'q');
 }
}