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csdn_dchen

于 2016-05-04 14:22:33 发布

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文章标签： java iterator

本文链接：https://blog.youkuaiyun.com/csdn_dchen/article/details/51314569

java test

    void outputIds(){
        Iterator<String> it = blogIds.iterator();
        FileOutputStream fos = null;
        OutputStreamWriter osw = null;

        try {
            fos = new FileOutputStream(outputDir, true);
            osw = new OutputStreamWriter(fos, "UTF-8");

            while(it.hasNext()){
                try {

                    osw.write(it.next() + "\n");

                } catch (Exception e) {
                    e.printStackTrace();
                }
            }

            osw.flush();
            fos.flush();
            osw.close();
            fos.close();

        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }