November, 30

Investing in Emerging Markets(29) Review (5)

Key vocabulary

1.       inevitable =unavoidable

2.       nest egg=money that is saved to pay for something in the future, usually a house, or retirement(储备金)

3.       turmoil= a state of confusion, disorder, disturbance

4.       stimulus package=amount of money the government uses to improve the ecnomy

5.       emerging market=nations undergoing quick industrialization

6.       devalue=reduced in value

7.       naïve=天真的

8.       domestic=国内的

9.       mattress=棉被

 

A: Dad, I’d like to borrow some money.

B: Sure, Johnny, how much do you need? five bucks?

A: Come on, Dad, I need thirty thousand. I wanna get into the market. You know, I am tired of hearing all this news about the economic downturn, the inevitable recession, people stuffing their money in their mattresses. I look at this as an opportunity, this is a chance for me to get a jump start on building my nest egg.

B: I don’t know about that; with all the uncertainty in the markets right now, it would be a very unwise decision to invest. I don’t know if you are aware son, but there has been a lot of turmoil in the markets recently. There have already been half a million layoffs in the last few months, and we have no idea how the proposed stimulus package will impact the economy. There’s just too much instability. I wouldn’t feel comfortable investing in this climate.

A: But look at it this way, every challenge is an opportunity. And anyway, I am not talking about investing in the domestic market. There are emerging markets that promise great returns. Look at China, for example; they have 1.4 billion people, half a billion of whom have recently entered the middle class. Here alone, the aggregate demand for consumer goods represents an amazing wealth generation opportunity.

B: Come on, son, you are looking at this too naively, the Chinese market has exhibited a great deal of instability, and their currency has been devalued by almost a whole percentage point.

A: Fine, then! If that’s the way you feel, so be it. But you are losing out on a great opportunity here. I am going to go hit up Mum for the cash.

资源下载链接为: https://pan.quark.cn/s/22ca96b7bd39 在 IT 领域,文档格式转换是常见需求,尤其在处理多种文件类型时。本文将聚焦于利用 Java 技术栈,尤其是 Apache POI 和 iTextPDF 库,实现 doc、xls(涵盖 Excel 2003 及 Excel 2007+)以及 txt、图片等格式文件向 PDF 的转换,并实现在线浏览功能。 先从 Apache POI 说起,它是一个强大的 Java 库,专注于处理 Microsoft Office 格式文件,比如 doc 和 xls。Apache POI 提供了 HSSF 和 XSSF 两个 API,其中 HSSF 用于读写老版本的 BIFF8 格式(Excel 97-2003),XSSF 则针对新的 XML 格式(Excel 2007+)。这两个 API 均具备读取和写入工作表、单元格、公式、样式等功能。读取 Excel 文件时,可通过创建 HSSFWorkbook 或 XSSFWorkbook 对象来打开相应格式的文件,进而遍历工作簿中的每个 Sheet,获取行和列数据。写入 Excel 文件时,创建新的 Workbook 对象,添加 Sheet、Row 和 Cell,即可构建新 Excel 文件。 再看 iTextPDF,它是一个用于生成和修改 PDF 文档的 Java 库,拥有丰富的 API。创建 PDF 文档时,借助 Document 对象,可定义页面尺寸、边距等属性来定制 PDF 外观。添加内容方面,可使用 Paragraph、List、Table 等元素将文本、列表和表格加入 PDF,图片可通过 Image 类加载插入。iTextPDF 支持多种字体和样式,可设置文本颜色、大小、样式等。此外,iTextPDF 的 TextRenderer 类能将 HTML、
在Java中,如果你想要设置一个定时任务,使其在每年的11月30日触发,你可以使用`java.util.Calendar`类配合`ScheduledExecutorService`或`TimerTask`。但是,Java本身并没有直接提供精确到每天的定时器,所以通常我们会选择每小时检查当前日期,然后在必要时执行任务。 以下是一个示例代码片段,展示了如何通过`java.time`包(Java 8及以上版本)来定期检查日期: ```java import java.time.LocalDate; import java.time.ZoneId; import java.util.concurrent.Executors; import java.util.concurrent.ScheduledFuture; public class YearlyNovemberThirty { private static ScheduledFuture<?> task; public static void main(String[] args) { checkNovemberThirty(); // 使用固定延迟和循环检查 Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(() -> checkNovemberThirty(), 0, 1, TimeUnit.HOURS); } private static void checkNovemberThirty() { LocalDate today = LocalDate.now(ZoneId.systemDefault()); if (today.getMonthValue() == 11 && today.getDayOfMonth() == 30) { executeYourTask(); // 替换为你实际的任务代码 cancelTaskIfNotRequired(); // 可能需要取消任务以防持续运行 } } private static synchronized void cancelTaskIfNotRequired() { if (task != null && !task.isCancelled()) { task.cancel(false); // 假设任务不是必需的,否则应处理更复杂的逻辑 } } private static void executeYourTask() { // 这里编写你的具体任务代码 System.out.println("Task executed on November 30th"); } } ``` 在这个例子中,我们每小时检查一次当前日期,如果发现是11月30日,就执行相应的任务并考虑是否取消后续的任务检查。请注意,这并不是绝对精确的每年11月30日,因为系统可能会有时间调整导致实际触发时间稍有偏差。
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