Java--从键盘读取

package hello.demo;
import  java.io.*;

public class hello2 {
    public static void main(String[] args) throws IOException{
        char c;
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        System.out.println("Input your char , input q to exit");
        do {
            c= (char) br.read();
            System.out.println(c);

        }while (c != 'q');
    }
}