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Recently, I was asked to participate in creating another Java application at my company. It was to be our team's third major Java application since 2002. We felt we had plenty of wisdom from our previous two Java applications to apply to our third one. One of our first steps was to form an application architecture sub-team. This sub-team's purpose was to provide the development team with a solid...
on Sep 22, 2013
My company uses a large number of software applications to support all aspects of its business. These software applications are either "bought" or "built". The portions of the company that cannot be supported by purchased software are supported by custom developed, in-house, applications. A variety of technologies are used to create and build these custom applications. The Java framework has been...
on Sep 15, 2013
A while ago, I was asked to evaluate another Java application that was being used at my company. It was a point-of-sale app, developed entirely "in-house" by one of our overseas affiliates. I wondered what their MVC model would look like. How different would their Java app be from the ones I have worked on? I started my evaluation by learning all I could about the architecture and design of this...
on Sep 8, 2013
Very soon, it will be time for the annual Java One conference in San Francisco, California. Thousands of Java-fanatics will make the journey to my favorite city "by the bay" (and my home town). Thousands more Java-fanatics will not attend (including me) and wish they could. I hope all attendees will have a great and productive time at Java One 2013. My general advice to attendees is, "Make the...
on Aug 25, 2013
As a developer, when you are building and/or designing a Java application; the first (or one of the first) question you might ask is... "What are the objects?" This seems to be a very simple question. But it is not. There probably is no single "right" answer to this question. Nevertheless, careful consideration given to this question will contribute to a good start to one's Java development...
on Jun 23, 2013
When we started building our first Java application, at my company Amway Corp, many years ago; we learned our first lesson. In spite of all the formal training we received, in spite of all the literature at our disposal; we still needed help with our Java development on a regular basis. Where would this assistance come from? At the time, we had no in-house Java subject-matter experts. What we...
on Jun 16, 2013
Learning Java (or any programming language) can be a great challenge. Any group of developers, learning Java, will bring with them a variety of backgrounds and experiences. In our case, our first Java project began with developers that had COBOL language experience. Our second Java project, began with developers that had RPG language experience. Even though COBOL and RPG don't "look" like Java,...
on Jun 11, 2013
Tuning Java code presents many challenges and addresses several goals. One of these goals is to make the application "run faster". Recently, our end-users were getting multiple-second response times from our web application's home page. This was unacceptable. We were asked to see what we can do to make the web application "run faster". We began by looking at the usual suspects... database access...
on Apr 14, 2013
One of the first things we did as we began to learn about Java was to create our own library of Java books. Every member of the development team was given the chance (and funding) to build their own collection of books. In time, these book collections became a sort of "comfort blanket" for the developers. In addition to being a valuable source of reference material, these collections act as a...
on Mar 29, 2013
One of the biggest challenges facing us during the creation of our first Java application was learning to develop with the Java programming language. We were concerned about how well our team of developers would learn and adapt to Java. Since Java was an object-oriented programming language, we had object-oriented concepts to learn as well. Our first Java training class was titled, "Developing...
on Mar 24, 2013
Assembling a team of Java developers can be a challenging task. Getting the right people together requires a combination of luck, skill, and plenty of patience. When someone new joins your team, they could also be new to your company. Over the years, we have conducted many job interviews of Java developer candidates wishing to join our team and company. Our Java job interview format is simple and...
on Mar 16, 2013
Our team of Java developers consists of people with various backgrounds and skill levels. Everyone has a role and is assigned tasks based on that role. Team members are expected to know basic programming concepts, core Java and core J2EE. In addition; database access, web-browser, client/server concepts are required as well. It didn't take long for our team to realize there was a lot more to know...
on Mar 10, 2013
Hello all. I am back with more stories about our adventures in the world of Java. From the distant past to recent events. I hope to entertain, enlighten, and encourage. So hold on to your hats. For software developers in IT, there are times when you find yourself present at the birth of a major application. Normally these are dream assignments. But consider the following additional factors. 1)...
on Mar 4, 2013
10 years ago, we began our journey into the world of Java and "J2EE". It was a big risk for my company, Amway Corp, to do this. We had no in-house expertise and we had critical applications to migrate to the new technology. From the beginning, we were determined to succeed. Today, 10 years after; I can say our Java adventure has been very successful. We have created two complex applications and...
on Aug 17, 2012
A few years ago, we met with our business analysts to discuss security for our application. Our goal was to implement our own authentication mechanism for the web-based or user-interface portion of the application. We defined authentication security as "access rights to resources of the application". After some initial discussion, one of our business analysts suggested we look for an industry...
on Aug 14, 2012
When my company, Amway Corp, makes a sale; somewhere, somehow a computerized transaction of that sale is created. This transaction is sent to a number of applications at Amway for processing. One such destination is our Java application. We created a capability, called the Transaction Monitor (or TM) to deliver transactions to our app. Our initial version of the TM worked well, but it was still...
on Aug 10, 2012
During our 10 years of using Java at Amway Corp., some of our solutions required us to think a little "outside of the box". Our application had a reporting requirement. It had to generate reports from the application's various batch processes as they were running. These batch processes performed transaction processing, data purging and data exporting functions. The reports would not be used by...
on Jul 30, 2012
It never ceases to amaze me where some solutions in application development come from. We had a requirement for our application to allow a user to print pages of text. The user would bring up a web page, from our app, and then create & print a list of customer names. The list of names would be created by executing a SQL query against the database, using a variety of search criteria. The users...
on Jul 23, 2012
As we began our Java adventure at Amway Corp 10 years ago, one of the most important tasks we had to do was to create our Object Model. We had a variety of Java objects that we were planning to use in our application. How were they going to be "wired" together inside of the application? After 4 weeks of Object-Oriented, J2SE, J2EE training; we set out to define our Object Model. This model was...
on Jul 16, 2012
As we began to learn about Java technologies at Amway Corp, we were introduced to UML (Unified Modeling Language). We became interested in the modeling aspect of UML to assist in the analysis and design phases of our Java project. So we decided to try our hand at modeling with UML. It began with 2 week-long training classes. 1) Object-Oriented Analysis with UML 2) Object-Oriented Design with UML...
on Jul 9, 2012