緩衝字元流的使用BufferedReader和BufferedWriter
阿新 • • 發佈:2018-11-10
1.BufferedReader和BufferedWriter
BufferedReader br = null; BufferedWriter bw = null; try { //先建立FileReader物件 FileReader fr = new FileReader("/Users/hh/Desktop/test11.txt"); br = new BufferedReader(fr); //建立FileWriter的物件 FileWriter fw = new FileWriter("/Users/hh/Desktop/test變.txt"); bw = new BufferedWriter(fw); //迴圈讀取檔案 String s = ""; while ((s = br.readLine())!=null) { // System.out.print(s); //輸出到磁碟 bw.write(s+"\r\n"); } } catch (Exception e) { // TODO: handle exception }finally { try { br.close(); bw.close(); } catch (Exception e2) { // TODO: handle exception } }