将结果写入文件

FileWriter writer;
try{
    writer=new FileWriter("C:\2020年项目\双旦活动\data\token.txt",true);
    writer.write(args[0]);
    writer.write("
");
    writer.flush();
    writer.close();
    }catch(IOException e){
        e.printStackTrace();
        }

FileWriter fstream =new FileWriter("K:\id.txt",true);
BufferedWriter out=new BufferedWriter(fstream);
out.write(args[0]+"
");
out.close();
fstream.close();