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I was listening to a podcast recently (may have been SO - can't remember) when the interviewee said that one of the reasons Java was so successful and popular was the tooling.
Having use of great FOSS editors such as Eclipse, NetBeans. Metrics tools such as Cobertura, Find Bugs, Build tools such as Maven and ANT.. I'd have to agree
I've done a fair bit of .NET and the tools are OKish. The problem seems to be that there isn't the depth in tooling that there is in Java. The FOSS stuff seems pretty limited.
My question: Are there any modern languages with a better community and tooling for getting the job done?
Don't forget Perl's CPAN with a wealth of first-class code like e.g. profilers, ide's and modern Object Oriented Systems.
C.
sure, there's emacs and vi!
seriously, great as some Java tools are, many of their features are meaningless for other languages/environments.
If you are looking for languages other than Java and C# with good tool and library support, I think the next most supported language is Ruby. However, I believe the tool, library, and community support for Ruby is much less than Java or C#.
maybe PHP or even python
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Suppose that I developed a library and published it as a project. What makes my library a "standard" library for Java and be in next JDK version?
From what I've witnessed, this happens when your framework helps the Java community so much that it can be moved into a specification in form of JSR. Then, a set of interfaces is developed and, usually, your library becomes the first implementation, or the implementation is added directly into the JDK.
Notorious examples of this:
Hibernate/Eclipse Link -> JPA
Seam -> CDI
Ehcache/Infinispan -> JCache
Joda Time -> Java 8 Date Time API
Note that in all these cases, what becomes the standard is the specification, the JSR. The library is not standard, it is just an implementation of the standard. Also, from these examples, they didn't give born to the JSR that easily, it take some years to the frameworks to get mature enough before generating these specifications.
Some libraries which are more or less known in Java community are not parts of JDK. There is such thing as Apache Maven which is using huge repositories full of different libraries. As soon as your library is really popular (and published in a repository available for everyone, although not maven official), you may want to contact representatives to suggest your library to be included in the so-called maven central repository.
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i was just wondering if anyone knew of a portable java IDE/Compiler? Something like an iPod but not so advanced, that let's you work with and compile java?
Just thought it would be a cool idea :P
This serves the purpose. We can compile the programs without requiring Java compiler on our machine.
There is an IDE for Android which supports this, see AIDE
Search for drJava. Is a pretty complex editor and includes a(n Eclipse) compiler.
Unfortunatelly, the project seems to be dead.
If you have an iOS device (iPhone, iPod touch or iPad) at hand, you can jailbreak it and install Java from Cydia. This gives you the compiler and the VM. However, it's old and limited to command line functionality.
You can use http://ideone.com/. This is a website for compiling and running java applications Here you can create an account and save all your example programs, which you can later refer from different location or even share it with others.
You can also practice other computer languages in it. It supports more than 40 programming languages.
Have you given any thought about using codenameone platform? http://www.codenameone.com/
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I am currently busy with a project where the main focus of the application is to be extensible (allow 3rd party developers to write plugins / their own implementations of interfaces).
Until now, I have been using Java, and built the application on the NetBeans platform. This has works perfectly fine and is quite easy to implement.
However, the program is quite computationally intense, and must be run on a grid of computers. I think C++ might be better suited for massive computations like I need.
What I would like to know. Is there any libraries like the NetBeans platform for C++. Or would I have to implement everything from scratch (not that I mind, I just wat to know)? Also, how easy is it to write extensible code with C++ and implement something like an update center? This is stuff you get for free with the NetBeans platform. My experience with the using the platform is that it allows you to write very modular code, which is something I like. New modules can be installed independantly, while the platform provides discovery of services to find all the installed plugins / impementations.
Can this be done similarly in C++?
Thanks!
I recommend that you have a look at the Qt framework. They offer a mechanism to create plugins. Have a look at this free online book about Qt. Plugins are discussed in chapter 21.
For modularity on binary level Boost.Extension might be a good choice.
For autoupdate there is for example Google's Omaha (Windows) or Update Engine (OS X)
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Which is your top 3 open-source APIs (in Java) you recommend as an example of well-designed piece of art?
That would be code that you had pleasure to browse through and got some insights from it.
Any problem domain acceptable.
Emphasis here is on educational/study quality of code, complexity level - intermediate to top.
Thanks a lot for responses.
I think that google collections is a great place to start. Josh Bloch advised the development of a lot of it, and it's a very well done API. While Spring is great, it's a little hard to know where to start. A good introduction to google collections is "coding in the small with google collections" (I can't post the actual link because of stackoverflow spam filter).
1.Spring
2.Hibernate
Spring - it's a very well written and designed framework. It's a hell of a big bit of software but if want an example of how to build in a modular manner you can't go to fair wrong looking at the spring code base
The sources of the java libraries are well documented.
In my experience the most valuable works include the documentation of desgin decisions, if you see a nice API it would be very interessting what could be the alternatives to that. Unfortunatly this is mostly burried mailing-lists of a project.
Not an external library - but the java.util.concurrent package is very nicely written. The code isn't simple, but it's very well thought out and, in my opinion, has been written brilliantly.
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For the past few years, I've been working on a team that does .NET and SQL Server. I'll soon be joining a team that is Java and Oracle. What can I read/do to get up-to-speed.
Start here: http://java.sun.com/javase/6/docs/
Sun's documentation is pretty good.
See also:
Hidden Features of Java
Best Java Book you have Read So Far
Overriding Equals and Hashcode in Java
What is the Most Freequent Concurrency Problem You've Encountered in Java
Javapassion is a site that offers free courses on Java. If you are on a hurry, there are 1 to 5 days courses available. You should have no problem following it, if you have experience in Java.
There are many good books for Java, but Thinking in Java is free and is good both for getting started and using as a reference.
If you need conversion of things from one language to the other here is a great website:
http://www.25hoursaday.com/CsharpVsJava.html
This, similar, SO Thread might be helpful.
Josh Bloch's Effective Java is a fantastic book. If you want to learn modern Java idioms there are few better places to look at.
Be prepared to do a lot of reading. C# (assuming this was the language you have been using)is generally regarded as an improved Java, so the Java basics will not be hard to grasp. Java development tools are generally not as tightly integrated as the Microsoft stack, thus allowing for choices to be made. Lots of discussions in Javaland revolve around choosing tools.
Get to know something about the way Java packages things (jar, war, ear).
Learn about the classpath (an endless source of joy and grief).
Build a mental picture of how things work at compile time and run time (generics and type erasure, for instance).
Visit the JavaRanch (http://www.javaranch.com/) and test your Java knowledge with the Rules Roundup! Think of it as a certification mock exam, but with cows. ("No cows were harmed in the making of Rules Roundup.")