package com.xuexi;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Io {
public static void main(String[] args) throws IOException {
char c;
//使用 BufferedReader 在控制台读取字符
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
System.out.println("输入字符,按下'q'键退出");
// 读取字符
do {
c = (char) br.read();
System.out.println(c);
}while (c != 'q');
}
}