javahelp

Java obj array to file

北城余情 提交于 2019-12-25 00:34:27
问题 Closed question please delete! 回答1: While I suggested in my comment that you use a BufferedWriter , I think it is easier to use Files.write . With that, your outputPGToFile() would look like this: private static void outputPGToFile() { try { Files.write(Paths.get("PostgradStudent.csv"), Arrays.stream(PGstudentArray).map(Object::toString).collect(Collectors.toList()), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING); } catch (IOException e) { e.printStackTrace(); } } (You need

Can Java's Desktop.browse provide an HTML Target in order to reuse a browser window?

故事扮演 提交于 2019-12-23 17:25:07
问题 I'm moving an application from using javax.help's browser to the user's desktop web browser, but I'm wondering how to prevent the user from winding up with many windows/tabs open as they click to different parts of the document. I don't see any way to specify an HTML Target in a java URI or a call to Desktop.browse. Is there any way to do this in Java within (or outside) Desktop.browse? 回答1: There is currently no support for this. Instead, you can open a unique HTML document which display