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我正在尝试使用谷歌电子表格 api 阅读电子表格。一切都很顺利，但是当我将俄语或阿拉伯语文本放入电子表格时，我的程序会打印？？？？？？?? ？？？这些单元格值的值。下面是从我的谷歌帐户读取电子表格的代码。

        SpreadsheetService service = new SpreadsheetService("MyApp");
        service.setUserCredentials(USERNAME, PASSWORD);

URL feedUri = new URL("https://spreadsheets.google.com/feeds/spreadsheets/private/full?title-exact=true&title=internationalization_contents");

        // Make a request to the API and get all spreadsheets.
        SpreadsheetFeed feed = service.getFeed(feedUri, SpreadsheetFeed.class);
        List<SpreadsheetEntry> spreadsheets = feed.getEntries();

        SpreadsheetEntry spreadsheet = spreadsheets.get(0);

        // get the first work sheet
        WorksheetEntry workSheet = spreadsheet.getWorksheets().get(0);
        URL cellFeedUrl = workSheet.getCellFeedUrl();
        CellFeed cellFeed = service.getFeed(cellFeedUrl, CellFeed.class);

        List<CellEntry> entries = cellFeed.getEntries();
        for (int n = 0; n < entries.size(); n++) {
            Cell cell = entries.get(n).getCell();
            System.out.println(cell.getValue());
        }

这打印出类似的东西

欢迎标题？？？?? ？？？

任何人都知道如何正确地将字符输入到我的 java 应用程序中。

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