相关疑难解决方法(0)

Java,参数中有3个点

以下方法中的3个点是什么意思?

public void myMethod(String... strings){
    // method body
}
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java variadic-functions

781
推荐指数
6
解决办法
34万
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函数参数中3个点的含义是多少?

我在Android文档中阅读有关AsyncTask的内容.

private class DownloadFilesTask extends AsyncTask<URL, Integer, Long> {
     protected Long doInBackground(URL... urls) {
         int count = urls.length;
         long totalSize = 0;
         for (int i = 0; i < count; i++) {
             totalSize += Downloader.downloadFile(urls[i]);
             publishProgress((int) ((i / (float) count) * 100));
             // Escape early if cancel() is called
             if (isCancelled()) break;
         }
         return totalSize;
     }

     protected void onProgressUpdate(Integer... progress) {
         setProgressPercent(progress[0]);
     }

     protected void onPostExecute(Long result) {
         showDialog("Downloaded " + result + " bytes");
     }
 }
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问题是doInBackground(URL... urls) …

java android android-asynctask

10
推荐指数
1
解决办法
2005
查看次数