If you are a Java developer and passionate about technology, you can follow these ten points which could make you an outstanding Java developer.
1. Have strong foundation and understanding on OO Principles
For a Java developer, having strong understanding on Object Oriented Programming is a must. Without having a strong foundation on OOPS, one can't realize the beauty of an Object Oriented Programming language like Java. If you don't have good idea on what OOPS is, even though you are using OOP language you may be still coding in procedural way. Just studying OO principle definitions won't help much. We should know how to apply those OO principles in designing a solution in OO way. So one should have a strong knowledge on Object modeling, Inheritance, Polymorphism, Design Patterns.
2. Master the core APIs
It doesn't matter how strong you are in terms of theoretical knowledge if you don't know the language constructs and core APIs. In case of Java, one should have very strong hands-on experience with core APIs like java.lang.*, I/O, Exceptions, Collections, Generics, Threads, JDBC etc. When it comes to Web application development, no matter which framework you are using having strong knowledge on Servlets, JSPs is a must.
3. Keep coding
Things look simpler when talking about them theoretically. We can give a solution to a problem very easily in theory. But we can realize the depth of the problem when we start implementing our approach. You will come to know the language limitations, or design best practices while coding. So keep coding.
4. Subscribe to forums
We are not alone. There are lots of people working on the same technologies that we are working on. While doing a simple proof of concept on a framework may not give you real challenges, when you start using it on real projects you will face weird issues and you won't find any solution in their official documentation. When starting to work on a new technology the best and first thing to do is subscribe to the relevant technology forums. Whatever the issue you are facing, someone else in the world might have already faced it earlier and might have found the solution. And it would be really really great if you can answer the questions asked by other forum users.
5. Follow blogs and respond
As I already told you are not alone. There are thousands of enthusiastic technology freaks around the world blogging their insights on technology. You can see different perspectives of same technology on blogs. Someone can find great features in a technology and someone else feels its a stupid framework giving his own reasons of why he felt like that. So you can see both good and bad of a technology on blogs. Follow the good blogs and respond/comment on posts with your opinion on that.
6. Read open source frameworks source code
A good developer will learn how to use a framework. But if you want to be an outstanding developer you should study the source code of various successful, popular frameworks where you can see the internal working mechanism of the framework and lot of best practices. It will help a lot in using the frameworks in very effective way.
7. Know the technology trends
In the open source software development technology trends keep on changing. By the time you get good idea on a framework that might become obsolete and some brand new framework came into picture with super-set of features. The problem which you are trying to solve with your current framework may be already solved by the new framework with a single line of configuration. So keep an eye on whats coming in and whats going out.
8. Keep commonly used code snippets/utilities handy
Overtime you may need to write/copy-paste same piece of code/configuration again and again. Keeping those kind of configuration snippets like log4.properties, jdbc configuration etc and utilities like StringUtils, ReflectionUtils, DBUtils will be more helpful. I know it itself won't make you outstanding developer. But just imagine some co-developer asks you to help in fetching the list of values of a property from a collection of objects and then you just used your ReflectionUtil and gave the solution in few minutes. That will make you outstanding.
9. Know different development methodologies
Be familiar with various kinds of methodologies like Agile, SCRUM, XP, Waterfall etc. Nowadays choosing the development methodology depends on the client. Some clients prefer Agile and some clients are happy with waterfall model. So having an idea on various methodologies would be great.
10. Document/blog your thoughts on technology
In day to day job you may learn new things, new and better way of doing things, best practices, architectural ideas. Keep documenting those thoughts or blog it and share across the community. Imagine you solved a weird problem occurred while doing a simple POC and you blogged about it. May be some developer elsewhere in the world is facing the same issue on a production deployed application. Think how important that solution for that developer. So blog your thoughts, they might be helpful for others or to yourself.
From : http://sivalabs.blogspot.com/2011/01/10-things-to-become-outstanding-java.html
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