/*
 *文件名 ex_2_8_1.java
 *說  明:演示控制臺讀取字符的操作
 */
import java.io.*;
class ex_2_8_1
{
	public static void main(String args[])
		throws IOException
	{
		char c;
		BufferedReader br = new
		BufferedReader(new InputStreamReader(System.in));
		System.out.println("請輸入字符,輸入'q'退出  。");
		// 讀取字符，直到輸入 'q'為止
		do {
			c = (char) br.read();
			System.out.println(c);
		} while(c != 'q');
	}
}