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03: Spring Boot annotations interview Q&As

Q1. What are the core annotations used in a Spring Boot applications? A1. Annotations are used to configure & customize a Spring boot application. @SpringBootApplication This is a core class …



03: Understanding Big O notations with Java

Q1.  Have  you seen job advertisements requiring Java candidates to work in real-time or high volume transaction processing systems? A1.  If you are applying for such jobs, you can be quizzed on …



03: Understanding Git terms origin, master, and head

Q1. What is a .git folder? A1. Like .SVN folder for subversion holding the metat data, .git folder holds the Git meta data like remote repository, branch names, etc. If …



04 17 Spring bean life cycles & scopes FAQs

Q1. Does Spring dependency injection happen during compile time or runtime? A1. Runtime during creating an object. Q2. What is the difference between prototype scope and singleton scope? Which one …



04: 7 JSP interview questions and answers

JSF or JavaScript based frameworks like angularjs, ember, etc are more popular than JSPs for web developemnt. Q1. What is a JSP? How does it differ from a Servlet? A1. …



04: As a Java developer, can you think of a time where you ……?

It really pays to jog your memory prior to job interviews to ace the open-ended questions like……As a Java developer, can you think of a time where you…….? Q1. Can …



04: Git Merging Vs rebasing must know interview questions and answers

Q1. What do you understand by the terms merging and rebasing? Can you explain both with a daiagram? A1. Both of these commands are designed to integrate changes from one …



04: How to go about designing a medium size JEE app?

A very popular open-ended question to judge your Java/JEE experience. Q. How would you go about designing a medium sized JEE application? A. Don’t start with 3-tier architecture, logical layers, …



04: Java 9 to 20 features interview Q&As – Records

Q01: What is a data class?
A01: A data class refers to a class that contains only fields and methods for accessing them via getters and setters. These are …



04: Kubernetes (i.e k8s) interview Q&As – Volumes, PVs, PVCs & StorageClass

Q01. What is the difference between Docker & Kubernetes Volumes? A01. Docker Volume and Kubernetes Persistent Volume serve similar purposes, but they differ in a number of ways. a) Docker …



04: Microservices Architecture design patterns & considerations interview Q&As – Part 3

This extends 03: Microservices Architecture design patterns & considerations interview Q&As – Part 2. 4. Cross-cutting concern patterns Microservices require various cross-cutting concerns such as metrics, reporting exceptions to an …



04: Q18 Explain abstraction, encapsulation, Inheritance, and polymorphism with the given Java code?

Q18. Given code:



05: 9 Spring Bean scopes interview Q&A

Q1. Does Spring dependency injection happen during compile time or runtime? A1. Runtime during creating an object. Q2. What is the difference between prototype scope and singleton scope? Which one …



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300+ Big Data Interview Questions - FAQs

300+ Java Interview Questions - FAQs

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