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01: 12 Web basics every Java web developer must know – Part 1

Q1. HTTP is a stateless protocol, so how do you maintain state? How do you store user data between requests? A1. This is a commonly asked interview question. … Read...



01: 13 Java low latency interview questions & answers

Have you seen job advertisements requiring Java candidates to work in low latency, high throughput, real-time and distributed systems with share-nothing architectures?

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01: 7+ Java architectural patterns interview Q&As – Part 1

One of the very frequently asked open-ended interview questions for anyone experienced is: Can you describe the high-level architecture of a recent application you had worked on?

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01: AWS Q&As on VPC, Subnets, Availability Zones, VPN, Route tables, NACLs & Security Groups

The above diagram addresses many of the questions that follow. Q1. What is a VPC in AWS? A1. A virtual private cloud (VPC) is a virtual network dedicated to your...



01: Q07 – Q12 Java Micro & Web services Interview Q&As

Covers “Debugging & troubleshooting a complex distributed system” & “Low latency between fine-grained services“, which are popular interview questions. Extends Java Web Services Basics Interview Q&As – … Read more...



01: Q13 “12 Rules” for REST API design & development

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...



02: 15 key considerations for low latency 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” … Read more ›...



02: 7+ Java architectural patterns interview Q&As – Part 2

This extends Q01: 7+ Java Architectural Patterns Interview Q&As – Part 1. Q2. How does a Java EE application integrate with other systems? … Read more ›...



02: AWS Identity & Access Management (i.e. IAM) interview Q&As

Q1. What is IAM? A1. IAM stands for Identity & Access Management. AWS Identity and Access Management (IAM) is a web service that helps you securely control access to AWS...



02: HTTP basics on headers, MIME types, & cookies for Java developers

Q1. What happens when you open up a browser and type a URL to request a Web page or RESTFul web service data? A1. HTTP is a stateless protocol on...



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