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I've recently learned core Java and want to develop my skills further with practice of programming. Instead of starting out with my own project, i would like to follow a well documented and organized project which would help me understand the language better.
Can anyone please suggest some open source projects to get involved in ?
look at http://java-source.net/
my personal favourite open source java project is JDownloader
I would advise you go through some of the Free / Open Source Software sites that host the projects and start filtering your searches for Java projects with a high number of users / downloads, as they tend to be fairly mature and will allow you to start looking through them.
My main recommendation is Arianne (http://arianne.sourceforge.net/). It's won several awards and is quite professional. There are only two listed developers, and they seem quite friendly. Plus, it's a multi-tier video game engine, so there's plenty of fun you could get out of working on it.
Otherwise, check-out java.net, kenai.com, and sourceforge.net for more possibilities.
If you want an early project with potential, there are plenty, but it can often be the luck of the drawer with those.
Following are good places to contribute in open source projects..
Sourceforge
IBM DEV
I also Advise you to use Android (Mobile development) . You can make business apps and Mobile Apps using Android.
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so here I got an open-source Android app which I must analyze and identify the structure of, things like its libraries, high-level architecture, configuration management, and testing facilities.
Now I understand where and how to look for the last two, but I still rather confused on how can I identify the libraries and architecture.
So what I'm asking is, how do I identify the architecture of an app and the libraries it uses? where do I look for it? what part of the source code? are there any tips to do this?
If there is any other info that I should provide, please do tell me.
Edit1: this is what I meant by high-level architecture, using Firefox as an example, but it doesn't have to be this technical, something more simple is also okay >>>
There are 1000s (maybe even millions) of questions on stack-overflow regarding Android development. The android documentation is itself highly exhaustive. And a simple query like "add library android project" can lead someone to answers like this.
What I am really trying to say is, a lot is already there. You just need to use it.
As for the original question :
Libraries
The dependencies can be found here. These are the external libraries that are used by this app.
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Architecture
About that, you will mostly have to go through the code. Using Android-studio for that can be really helpful. You can use tools like this, but mostly, you will have to go through the code and understand it.
Furthermore, since its opensource project, there should be good documentation about it.
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I am new to android studio and would like to make an app that is similar to Goodreads. Can someone outline the key components of making an app like this. It would also be great if I could get some kind of template that I can use. I imagine some of amount of the user information will be kept on the device while some of the other larger sets of information will be kept on a database. What would the code connecting these two parts look like and what other important parts have I missed. Thanks in advance.
Android is a big world and doesn't exist an easy way, I mean all need time to be good at something, but well is not impossible I recommend you start with the Udacity courses
Basic Level:
Developing Android Apps by Google
Android Basics: Data Storage
Android Basics: Multiscreen Apps
Android Basics: Networking
and latter star to flow important people on android world
Android expert even follow in twitter
after that, you have a basic knowledge you can start on other courses https://caster.io/ is a good choice for learn MVP MVVM and other things
also study general programming and Software Engineering : Desing Parrents, Clean Code , Clean Arquiecture, SOLID principles, Versions systems like a Git.
well that my advice for you, good luck and never stop to learn!
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I recently learned java by reading the book Head First Java and I also bought the book Effective Java which I'm planning to finish later. I've been searching the ways to improve Java programming skills online but all I found are algorithm practice questions just like questions in the book Cracking the Coding Interview. I finished about a hundred of them and I found they are useful; however, I still cannot see how this is related to making real object oriented applications like desktop softwares or Android Apps.
Every time I visit stackoverflow.com, under tag Java I see those questions about things that I have never heard of. I'm really frustrated. Am I on the wrong track to the real programming world?
Thanks.
There are many options you might resort to, to improve your development and design skills. And all come through developing real-purpose applications. If you are at loss yourself to find a problem interesting enough and complex enough for you to exercise and hone your skills, you can always contribute to opensource projects. For instance you might go through java projects hosted in github, pick one you like, and have a look at its todo list if any, or pick a an issue and investigate it, fix it if you can and contribute a patch.
This exercise will expose you to product-grade codebases (depending on the project your chose) and several aspects of software development and will most certainly help you improve your skills.
link for java projects hosted at github
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I usually code by myself but currently I need to do a java web-based project with 8 of my friends. I would like to ask the following questions:
1) How to document the development properly? Like how to keep a daily log? Any software or format suggested? What things do you think are important to be included in the log?
2) How to code together? Is there any software/IDE that allows a team to code together? Something ike google docs?
3) How to do a proper backup for a team project? Any software or tips to share?
Thank you very much!
Collaborative coding: its not the IDE that you can thank for collaborative coding, its all in distributed source control... like git or mercurial. Svn is also good for source control but is less good for collab.
Backup: git and mercurial solve this problem.
Documenting the project's progress is best suited in a task manager / project manager of some kind. I use projo project manager.. mostly because I wrote it. There's other well known apps out there like basecamp, and competitors.
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I've been learning Java for the last 2 months with a Core Java book. Now I want to write something real, but at first I decided that I need to improve my knoweledge about algorithms and data sturctures so I'm currently reading a book on that.
I want to join an open-source project which is mature enough to learn from it but is still growing so I can really contribute to it. I browsed the whole apache and sourceforge looking for something interesting and the project I became really excited about is Apache Hadoop. Although it's quite complicated I don't think it's going to be a problem if I'm interested enough.
So the question is: does anybody here has expereince contributing to Hadoop? What can you say? Is there enough room for futrher development?
Yes, Hadoop has a whole ecosystem of projects to get associated with. Like HDFS, Hadoop Map-Reduce, Pig, Hive, Oozie etc. You might poke around using any of the VMs available like http://www.cloudera.com/downloads/
This will help you get acquainted with what all different projects are involved and thereafter you can contribute to make things better.
cheers
We certainly always welcome new contributors. Although it sounds trite, all open-source projects, Hadoop included, need improved documentation and tests. While this work may not be the sexiest, it does provide new contributors with experience in the code and the opportunity to provide useful patches that committers love to see. I'd caution against an anti-pattern I often see: announcing or signing up for too much work or suggesting too radical a change before establishing experience and credentials within the project.
There's always room for further development.