Java Programming Training Classes in Duluth, Minnesota
Training Suggestions from the Experts

An Experienced Java developer must know
... everything or so it can seem. A solid grasp and knowledge of Object Oriented Programming constructs such as inheritance, polymorphism, interfaces and reflection are essential. Next in line is the knowldge to be able to import/export file data, running SQL queries, using regular expressions and, possibly, knowing how to write multi-threaded code and make socket connections. A class that addresses most of these topics is: Fast Track to Java 11 and OO Development.
For the more daring Java enthusiast and especially for those looking to become professional Java developers, knowledge of the Spring Framework is expected. A perfect class for this is: Fast Track to Spring Framework and Spring MVC/Rest. Not only does this course provide students with a great introduction to spring, it goes beyond the basics with a solid delve into Spring and web development.
Another consideration is learning JBoss aka Wildfly, the free Application Server from RedHat. JBoss has become the workhorse of most Java EE applications. Add to that a class on Tomcat, the defacto servlet engine, and the student can be considered 'ready' for employment.
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Learn Java Programming in Duluth, Minnesota and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current Java Programming related training offerings in Duluth, Minnesota: Java Programming Training
Java Programming Training Catalog
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JBoss Administration Classes
JUnit, TDD, CPTC, Web Penetration Classes
Java Enterprise Edition Classes
Java Programming Classes
Spring Classes
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2 June, 2025 - 6 June, 2025 - Object Oriented Analysis and Design Using UML
9 June, 2025 - 13 June, 2025 - RED HAT ENTERPRISE LINUX AUTOMATION WITH ANSIBLE
15 September, 2025 - 18 September, 2025 - RHCSA EXAM PREP
16 June, 2025 - 20 June, 2025 - Enterprise Linux System Administration
28 July, 2025 - 1 August, 2025 - See our complete public course listing
Blog Entries publications that: entertain, make you think, offer insight
Checking to see if a file exists is a two step process in Python. Simply import the module shown below and invoke the isfile function:
import os.path
os.path.isfile(fname)
As part of our Java Tutorials program, we will list a number of interview questions to aid in a better understaing of Java and J2EE and, hopefully, provide a greater likelihood of getting a job. Let us begin with the basics:
1. What is meant by J2EE?
J2EE is an abreviation for Java 2 Platform Enterprise Edition
2. What is the purpose of J2EE?
The purpose of J2EE is to provide a component based platform in a multitier application model with transaction management, web services and reusable component support.
3. What is the tier structure of the typical J2EE application?
A typical J2EE application consists of the following tiers/machines: the client machine (browser/non-browser application), the J2EE server (an application server such as Oracle, JBoss, GlassFish, Tomcat) and a database.
Communication is one of the main objectives that an organization needs to have in place to stay efficient and productive. A breakdown in accurate and efficient communication between departments at any point in the organization can result in conflict or loss of business. Sadly, the efficiency between different departments in an organization becomes most evident when communication breaks down. As an example, David Grossman reported in “The Cost of Poor Communications” that a survey of 400 companies with 100,000 employees each cited an average loss per company of $62.4 million per year because of inadequate communication to and between employees.
With the dawning of the big-data era and the global competition that Machine Learning algorithms has sparked, it’s more vital than ever for companies of all sizes to prioritize departmental communication mishaps. Perhaps, today, as a result of the many emerging markets, the most essential of these connections are between IT and the business units. CMO’s and CIO’s are becoming natural partners in the sense that CMO’s, in order to capture revenue opportunities, are expected to master not just the art of strategy and creativity but also the science of analytics. The CIO, on the other hand, is accountable for using technical groundwork to enable and accelerate revenue growth. Since business and technology people speak very different languages, there’s a need on both sides to start sharing the vocabulary or understanding of what is expected in order to avoid gridlock.
In the McKinsey article, Getting the CMO and CIO to work as partners, the author speaks to five prerequisite steps that the CMO and the CIO can take in order to be successful in their new roles.
--- Be clear on decision governance
Teams should define when decisions are needed, what must be decided, and who is responsible for making them.
Unlike Java, Python does not have a string contains method. Instead, use the in operator or the find method. The in operator finds treats the string as a word list whereas the find method looks for substrings. In the example shown below, 'is' is a substring of this but not a word by itself. Therefore, find recoginizes 'is' in this while the in operator does not.
s = "This be a string"
if s.find("is") == -1:
print "No 'is' here!"
else:
print "Found 'is' in the string."
if "is" in s:
print "No 'is' here!"
else:
print "Found 'is' in the string."
#prints out the following:
Found 'is' in the string
No 'is' here!
Tech Life in Minnesota
Company Name | City | Industry | Secondary Industry |
---|---|---|---|
The Affluent Traveler | Saint Paul | Travel, Recreation and Leisure | Travel, Recreation, and Leisure Other |
Xcel Energy Inc. | Minneapolis | Energy and Utilities | Gas and Electric Utilities |
Thrivent Financial for Lutherans | Minneapolis | Financial Services | Personal Financial Planning and Private Banking |
CHS Inc. | Inver Grove Heights | Agriculture and Mining | Agriculture and Mining Other |
Hormel Foods Corporation | Austin | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
St. Jude Medical, Inc. | Saint Paul | Healthcare, Pharmaceuticals and Biotech | Medical Devices |
The Mosaic Company | Minneapolis | Agriculture and Mining | Mining and Quarrying |
Ecolab Inc. | Saint Paul | Manufacturing | Chemicals and Petrochemicals |
Donaldson Company, Inc. | Minneapolis | Manufacturing | Tools, Hardware and Light Machinery |
Michael Foods, Inc. | Minnetonka | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
Regis Corporation | Minneapolis | Retail | Retail Other |
Fastenal Company | Winona | Wholesale and Distribution | Wholesale and Distribution Other |
Securian Financial | Saint Paul | Financial Services | Insurance and Risk Management |
UnitedHealth Group | Minnetonka | Financial Services | Insurance and Risk Management |
The Travelers Companies, Inc. | Saint Paul | Financial Services | Insurance and Risk Management |
Imation Corp. | Saint Paul | Computers and Electronics | Networking Equipment and Systems |
C.H. Robinson Worldwide, Inc. | Eden Prairie | Transportation and Storage | Warehousing and Storage |
Ameriprise Financial, Inc. | Minneapolis | Financial Services | Securities Agents and Brokers |
Best Buy Co. Inc. | Minneapolis | Retail | Retail Other |
Nash Finch Company | Minneapolis | Wholesale and Distribution | Grocery and Food Wholesalers |
Medtronic, Inc. | Minneapolis | Healthcare, Pharmaceuticals and Biotech | Medical Devices |
LAND O'LAKES, INC. | Saint Paul | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
General Mills, Inc. | Minneapolis | Manufacturing | Food and Dairy Product Manufacturing and Packaging |
Pentair, Inc. | Minneapolis | Manufacturing | Manufacturing Other |
Supervalu Inc. | Eden Prairie | Retail | Grocery and Specialty Food Stores |
U.S. Bancorp | Minneapolis | Financial Services | Banks |
Target Corporation, Inc. | Minneapolis | Retail | Department Stores |
3M Company | Saint Paul | Manufacturing | Chemicals and Petrochemicals |
training details locations, tags and why hsg
The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:
- Learn from the experts.
- We have provided software development and other IT related training to many major corporations in Minnesota since 2002.
- Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
- Discover tips and tricks about Java Programming programming
- Get your questions answered by easy to follow, organized Java Programming experts
- Get up to speed with vital Java Programming programming tools
- Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
- Prepare to hit the ground running for a new job or a new position
- See the big picture and have the instructor fill in the gaps
- We teach with sophisticated learning tools and provide excellent supporting course material
- Books and course material are provided in advance
- Get a book of your choice from the HSG Store as a gift from us when you register for a class
- Gain a lot of practical skills in a short amount of time
- We teach what we know…software
- We care…