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02: ♥♦ 13 Tips to write low latency applications in Java

Extends Writing low latency applications in Java Q&A. Tip #1: Use a RTSJ (Real Time Specification for Java ) JVM.  IBM, Oracle, and other smaller vendors have implemented this, but it comes at a cost. Oracle’s JavaRT, IBM’s real-time WebSpere, and aicas JamaicaVM to name a few popular ones. In

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Posted in FAQs Java Key Areas, Java Architect Interview Q&A, Judging Experience Interview Q&A, Low Latency, Performance, Scalability
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♥ ♦ Can you list 10 JEE best practices from your experience?

Core Java best practices and JEE best practices can reveal a lot about your experience as a Java developer. Q1. Can you list 10 JEE best practices from your experience? A1. #1: Using datasources with JNDI lookups DataSources make the code more portable than using the DriverManagers. For the DriverManagers

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Posted in Best Practice
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Top 5 tips for software developers on blogging for additional income

There are tangible and intangible benefits to blogging, but for most of you the primary source of income will come from working as a Java developer, Java lead, Java architect, etc for an organization. Blogging can bring in a supplementary income and most importantly the intangible benefits like continuous proactive

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Posted in Personal branding, blogging, publishing
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What are good real life Java inheritance (or use of abstract classes) examples ?

We have already looked at Why favor composition over inheritance? with reasoning and code examples. Inheritance still has its use and let’s look at some real life examples. #1. Unit Test Classes

In the base class you can wire up Spring configs, shared logic, etc. For example, you may…...

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♥ 5 tips that will put your Java contracting career on auto-pilot mode

If you are already working as a Java freelancer/contractor or aspiring to become one, here are 5 tips that will put your freelancing career as a programmer on auto-pilot mode. Feel free to share your experience and tips as a freelancer. If you aspire to become a freelancer/contractor then read

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Posted in Earning More, Freelancing & job security
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♥♦ Q1-Q10: Top 50+ Core Java Interview Questions and Answers

The more detailed core Java interview questions and answers are categorized by Java 8, multithreading, OOP, IO, etc, and by FAQs for jogging the memory before attending job interviews in Java. Q1. What is the difference between “==” and “equals(…)” in comparing Java String objects? A1. When you use “==”

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Posted in FAQ Core Java Q&As, FAQs Core Java, Top 50+ FAQ Core Java Interview Q&A
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♦ Q29-Q53: Top 50+ EE Java Interview Questions & Answers

This extends Q1 – Q28 EE Java interview Questions and Answers Q29. What are the different ways can you wire up your dependencies using Spring? A29. 3 different ways. You can combine all 3 ways. Using an XML based application context file as demonstrated here in STEP 4 . Using…...

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Posted in FAQ JEE Interview Q&As, FAQs JEE, member-paid, Top 50+ FAQ JEE Interview Q&A
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♦ Q01-Q28: Top 50+ EE Java interview questions & answers

Q1. Can you describe the high level architecture of the application that you had worked on recently? or Can you give a 100 feet bird’s eye view of the application you were involved in as a developer or designer? A1. The focus is on judging your experience in Java/JEE. The…...

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30-Day-Java-JEE-Career-Training, 90-Day-Java-JEE-Career-Training, 180-Day-Java-JEE-Career-Training, 365-Day-Java-JEE-Career-Training, 60-Day-Java-JEE-Career-Training and 2-Year-Java-JEE-Career-Training

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Posted in FAQ JEE Interview Q&As, FAQs JEE, member-paid, Top 50+ FAQ JEE Interview Q&A
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