[問題] 讀入utf-8 file 會有卻會有問號出現?

[RichieRich (Richie)]

    try{
      File f = new File("c:\\a.txt");
     FileInputStream fi =   new FileInputStream(f);
     InputStreamReader isr = new InputStreamReader(fi,"UTF-8");
     BufferedReader br = new BufferedReader(isr);
     String line = "";
     while( (line=br.readLine())!=null){
        System.out.println(line);
      }
        }
        catch(EOFException e){
        System.out.println("End of stream");
        }
以上是我寫程式碼 可是text file 上有簡體讀出來卻有問號繁體是沒問題
請問如何改進?

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