黑马程序员JAVA高级视频_IO输入与输出19天11(写入转换流)

package string.itcastio;

import java.io.*;

/*
 * 字符流
 *      1，FileReader
 *      2，FileWriter
 *      3，BufferedReader
 *      4，BufferedWriter
 * 字节流
 *      1，InputStream
 *      2，OutputStream
 *      3，BufferedInputStream
 *      4，BufferedOutputStream
 *      
 *      OutputStreamWriter:
 *      是字符流通向字节流的桥梁
 */
public class OutputStreamWriterDemo1 {
    public static void main(String[] args) throws IOException {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        // PrintStream ps = System.out;
        // OutputStreamWriter osw = new OutputStreamWriter(ps);
        // BufferedWriter bw = new BufferedWriter(osw);
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        String line = null;
        while ((line = br.readLine()) != null) {
            if ("over".equals(line)) {
                break;
            }
            bw.write(line);
            bw.newLine();
            bw.flush();
        }

    }

}