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“How would you go about …” Q&A to judge Java experience

Q1. How would you go about judging the code quality of other developers? A1. 1) Code written with unit tests and progressively re-factored where necessary to make it more maintainable, testable, and readable. 2) Unit tests need to be written…...

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“In your Java experience” interview questions & answers

Q1. In your Java experience, what are some of the common dilemmas you face when writing unit tests? A1. Whether to fix the code or the test. When you write unit tests, sometimes you feel compelled to change your code…...

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♥♦ 01: 30+ Writing low latency applications in Java interview Q&As

Have you seen job advertisements requiring Java candidates to work in real-time, low latency, and high throughput systems? Wondering what questions you will be asked? You will be quizzed on the low latency application you had recently worked on especially

Posted in FAQs Java Key Areas, Judging Experience Q&As, Low Latency, Low latency & Asynchronous, Performance, Scalability

♦ 7 Java debugging interview questions & answers

Q1. How would you go about debugging thread-safety or concurrency issues? A1. #1: Manually reviewing the code for any obvious thread-safety issues. Good knowledge of multi-threading is required. #2: List all possible causes and add extensive log statements and write…...

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Posted in Java Debugging, Judging Experience Q&As, member-paid

♦ 9 SQL scenarios based interview questions answered

Q1 How will you go about identifying duplicate records in a table? A1 The following SQL query will do the trick. Note: Interviewer is testing if you understand that the aggregate queries need to have a “group by” clause on

Posted in Judging Experience Q&As, SQL

♦ Java development process interview Q&A

No right or wrong answers. The depth and quality of the answers will can prove your seniority and experience. Q1. What are the SDLC activities you perform as a Java developer? A1. Don’t get overwhelmed by this activities list. This…...

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

Extends Writing low latency applications in Java interview Q&As. If the job description says “low latency” application, then be prepared. Even if “low latency” experience is not a requirement, all employers like candidates who can not only build systems that…...

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03: ♦10+ Know your industry Q&As for the Java developers

Insights into what your prospective employers are looking for. What skills are required for you to go places? Do you know your industry well enough to impress your prospective employers? Prospective employers will be judging you on 4 key aspects…...

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Posted in FAQs Ice Breaker, Ice Breaker Q&As, Judging Experience Q&As, member-paid

05: ♦Q19- Q24 How to create a well designed Java application with OOP?

A software application is built by coupling various classes, modules, and components. Without coupling, you can’t build a software system. But, the software applications are always subject to changes and enhancements. So, you need to build your applications such a…...

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1. Asynchronous processing in Java real life examples – part-1

The scenario based questions are very popular with the job interviewers, and some scenario based questions are related to decoupling and asynchronous (aka non-blocking) processing in Java with message queues/topics, database tables where one process inserts data and another process…...

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Posted in Judging Experience Q&As, Low latency & Asynchronous, member-paid

18 Java scenarios based interview Q&As

Q1. Scenario: You need to load stock exchange security codes from a database and cache them for performance. The security codes need to be refreshed say every 30 minutes. This cached data needs to be populated and refreshed by a…...

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30+ SDLC activities you perform as a Java developer

Don’t get overwhelmed by this activities list. This proves why employers favor experience to just academic qualifications alone. It also emphasizes the fact why good technical skills must be complimented with good soft skills and right attitudes get things done…...

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Dealing with concurrent modifications in Java

There are scenarios where you need to deal with concurrent modifications in Java. Here are 2 scenarios that I can currently think of. Scenario 1: Looping through a list of items and removing an item in the list could lead…...

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Posted in Concurrency, Judging Experience Q&As, member-paid

Top 6 tips to go about writing loosely coupled Java applications

6 tips to go about writing loosely coupled Java applications useful not only for talking the talk in Java job interviews, but also to build maintainable Java applications. Q1. What is tight coupling? A1. If class OrderServiceImpl relies on parts

Posted in Design Concepts, FAQs Free, Judging Experience Q&As, OOP Tagged with: , , ,

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