字节流转换成字符流

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;public class TransStreamDemo {    public static void main(String[] args) throws IOException {        InputStream in = System.in;        // 字节流 -->字符流        InputStreamReader isr = new InputStreamReader(in);        // 使用缓冲区        BufferedReader bufr = new BufferedReader(isr);        String line = null;        while ((line = bufr.readLine()) != null) {            if ("over".equals(line))                break;            System.out.println(line);        }        bufr.close();    }}