//【1】建立輸出流檔案物件
        FileOutputStream fos = new FileOutputStream("/Users/student/Desktop/DTW_Java.txt",true);

        //【2】寫出檔案
        for(int i=0;i<resultDemo.size();i++){
            if(i%22==0){
                String str="\r\n";
                byte [] by = str.getBytes();   //把String型別轉為byte陣列
                fos.write(by
 
, 0, by.length);
            }
            for(int ii=0;ii < 3;ii++){
                String str0 = String.valueOf(resultDemo.get(i).get(ii).doubleValue());
                String str=str0+"\t";
                byte [] by = str.getBytes();   //把String型別轉為byte陣列
                fos.write(by, 0, by.length);
            }

        }

        //【3】關流
 

        fos.close();

        System.out.println("寫入完畢");