带有追加模式的Java FileWriter [英] Java FileWriter with append mode

问题描述

我目前正在使用 FileWriter 来创建和写入文件。有没有什么方法可以每次都写入同一个文件而不删除其中的内容？

I'm currently using FileWriter to create and write to a file. Is there any way that I can write to the same file every time without deleting the contents in there?

   fout = new FileWriter(
    "Distribution_" + Double.toString(_lowerBound) + "_" + Double.toString(_highBound) + ".txt");
    fileout = new PrintWriter(fout,true);
fileout.print(now.getTime().toString() + ", " + weight + ","+ count +"\n");
    fileout.close();

推荐答案

传递 true 作为 FileWriter 的第二个参数，打开追加模式。

Pass true as a second argument to FileWriter to turn on "append" mode.

fout = new FileWriter("filename.txt", true);

FileWriter用法参考

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