作为一名 Delphi 程序员了解 Java

发布于 2024-09-26 02:33:04 字数 435 浏览 3 评论 0原文

我有一个在 Delphi 中创建的数据库,该数据库仍处于测试阶段 我发现通过 Java 以 *.dll 的形式轻松访问我的数据库 但这不仅仅是一个标准数据库(它的节点非常前沿)。 我花了很多时间才达到这一点。我非常感谢这个论坛的帮助和感谢,以及我收到的对我的问题的答复,让我听到。

目前最令人兴奋的是 Android 设备和用 java 编写 但我对Java几乎一无所知。开发人员的忙碌程度是德尔福的五倍。 Google Apps 网页平均每天约有 40 次点击,而这只是 java 的一部分。 我想让 Maven 方法可以使用数据库,但我还没有关于如何执行此操作的文档。

我知道我有 ShortIntegers、LongIntegers,我不确定源自 ANSCI 但可以是 UTRF-8 和其他东西的字符串。我有双号吗?我有日期记录吗?

java中还有其他类型的数据类型吗?

请有人赐教。

I have a database I have created in Delphi that’s still in the testing phase
I found it easy to give access to my database through Java in the form of a *.dll
but this is not just a standard database (its very cutting edge with Nodes).
It’s taken me a lot of learning to get to this point. I very much appreciate the help and thanks of this forum and the replies I have received to my questions to get me hear.

What it very exciting at the moment is Android devices and to write in java
But I know nearly nothing about Java. The developers are like five times more busy than Delphi. The Google apps web page is averaging about 40 hits a day and thats only a part of java.
I want to make it accessible to the Maven approach to using databases that I have no documentation on how to do this yet.

I know I have ShortIntegers, LongIntegers, I'm not sure about strings that originate as ANSCI but can be UTRF-8 and other things. Do I have double numbers and do I have date records.

Do I have any other type data types in java

Can any one enlighten me please.

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魂ガ小子 2024-10-03 02:33:04

如果您是 Delphi 程序员,那么您就知道如何编程:您知道循环、例程、变量、对象等。Java 在很多方面与 Delphi 不同,但很难说哪些会给您带来问题。你必须尝试一下。

  1. 安装 JDK
  2. 阅读一些好的 Java 书籍。您可以找到一些不错的免费书籍,例如旧版的 Thinking in Java
  3. Fire 不错的文本编辑器。您可以从 Eclipse 或 Netbeans 开始,但是有许多带有 Java 语法突出显示的简单编辑器可能更适合 Java 新手
  4. 开始用 Java 编写程序。

If you are Delphi programmer then you you know how to program: you know loops, routines, variables, objects etc. Java differs from Delphi in many things, but it is hard to say what will make problems to you. You must give it a try.

  1. Install JDK
  2. Read some good Java book. You can find some good free books such as older edition of Thinking in Java
  3. Fire good text editor. You can start with Eclipse or Netbeans, but there are many simple editors with Java syntax highlighting that may be better for Java novice
  4. Start writing programs in Java.
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