Q1. What is the difference between Docker & Kubernetes? A1. Docker & Kubernetes can function without each other, and also both can compliment each other. Docker enables us to run, create and manage containers on a single operating system. If you have Docker installed on a number of hosts with...
Q1. How does Git differ from SVN? A1. #1. Git is a distributed source control system meaning that there will be multiple client repositories. SVN is one repository with lots of clients. … Read more ›...
Have you seen job advertisements requiring Java candidates to work in low latency, high throughput, real-time and distributed systems with share-nothing architectures? Wondering what questions you will be asked? If you are an experienced Java developer targeting high paying skills then it pays to get a good handle on Java...
Q1 How do you remove the Control-M characters from a file? A1 Using the sed command that replaces Control-M with nothing Note: The ^M is typed on the command line with ctrl+v and ctrl+M Q2 How will you search for a property named “inbox” … Read more ›...
15+ SQL interview questions and answers to solve real business scenarios. SQL is widely used in building microservices & Big Data projects. Learning SQL syntax is easy, but being able to convert a given business requirement into a query takes lots of practice. These scenarios based interview questions can assesses your experience.
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Q1. How would you go about designing a “farm animals” application where animals like cow, pig, horse, etc move from a barn to pasture, a stable to paddock, etc? The solution should also cater for extension into other types of animals like circus animals, wild animals, etc in the future....
Java does not have a sizeof operator like C++ does. Java uses automatic memory management known as the Garbage Collection, hence it is not that important to evaluate size of various objects. But, for the purpose of learning & fixing any potential memory issues, I have used “jvisualvm”, … Read...
These are more like rules to develop RESTFul web services as opposed to being the best practices. REST is an architectural style without any contracts or specifications. So, it is imperative to apply the following rules for better REST API design. #1. Write stateless RESTFul services This means each request...
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 perform well, but also can stress test (e.g. … Read...
Java interview questions & answers on multithreading scenarios to judge your experience in building applications with concurrency in mind.
Q1. Can you give some scenarios where you built concurrent systems?
A1. In a concurrent system different threads run concurrently,
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