15.3.2 FileWriter

import java.io.FileOutputStream;import java.io.FileWriter;public class FileWriterTest {@SuppressWarnings("resource")public static void main(String[] args) {try {FileWriter fw=new FileWriter("C:/Users/Administrator/Desktop/ad.txt");{fw.write("abc12\r\n");fw.write("锦瑟——李商隐\r\n");fw.write("锦瑟无端五十弦，一弦一柱思华年。\r\n");fw.write("庄生晓梦迷蝴蝶，望帝春心托杜鹃。\r\n");fw.write("沧海月明珠有泪，蓝田日暖玉生烟。\r\n");fw.write("此情可待成追忆，只是当时已惘然。\r\n");fw.flush();fw.close();}FileOutputStream fos=new FileOutputStream("C:/Users/Administrator/Desktop/b.txt");byte[] bbuf=new byte[1024];String str="Hello world\r\n";bbuf=str.getBytes();fos.write(bbuf,0,bbuf.length);fos.write(bbuf, 0, bbuf.length);fos.close();} catch (Exception e) {e.printStackTrace();}}}