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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 … … Read more ›...

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

A software application is built by coupling various classes, modules, and components. Without coupling, you can’t build a software system. But, … … Read more ›...

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06: Q25 – Q32 Design principles interview questions & answers for Java developers

Design principles interview questions & answers for Java developers so that you can expand your OOP skills to design robust Java … … Read more ›...

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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, …

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Understanding Open/Closed Principle (OCP) from the SOLID OO principles with a Java example

Q. Is there anything wrong with the following class design? If yes, can the design be improved? JUnit test class.…… Read more ›...

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Why does good API design matter?

Q1. Why is a good API design important? A1. The Application Programming Interfaces (i.e. APIs) are fine grained services/libraries used by … … Read more ›...

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Why favour composition over inheritance?

This not only one of the most popular Java OOP Interview Questions & Answers asked 90% of the time in job …

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800+ Java & Big Data Interview Q&As

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