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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.

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01: 15 Spring Boot interview Questions & Answers

Spring Boot Key Components

15 Spring boot interview questions & answers with tutorials for easy setup of new Spring applications. Spring boot helps you get started quickly with its auto-configuration ability, … Read more...

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01: 7 must know Java Web Services Interview Q&As

As an enterprise Java developer, you will be spending more time integrating systems via Java web services & messaging. Java Web Services interview questions are must know for the Java developers.

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01: Q07 – Q12 Microservices Interview questions & answers

Microservices with Spring

60+ microservices interview questions & answers covering Spring boot, Spring cloud, and microservices design patterns. If you are an enterprise Java developer, then most likely you will be developing Microservices using Spring boot.

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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 style without any contracts or specifications. So, it is...

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02: 6 Java RESTful Web services Interview Q&As

Q1. What is RESTful Web service, and why is it favored over SOAP Web service? A1. REST stands for REpresentational State Transfer (REST), which is a stateless software architecture that...

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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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02: JDBC with MySQL, Datasource, and connection pool Tutorial

Step 1: pom.xml file with commons-dbcp2 for the connection pooling and abstraction layer for the datasource.

db.properties for connection details

Step 2: Create a new source folder “src/main/resources”.

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03: 21+ Java Servlet interview Q&As

Q1. What is a Servlet? Is a Servlet inherently multi-threaded? A1. A Servlet is a Java class that runs within a web container in an application server, … Read more...

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03: JAX-RS how to create a RESTFul Web Service in Java?

Q. What are the high level steps in developing a RESTful web service in Java?
A. You can see the complete tutorial in the tutorials section.

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800+ Java Interview Q&As & FAQs

300+ Java Interview FAQs - Quick Prep
Java FAQs - 01: Prepared?
(2)
Java FAQs - 02: Ice Breaker
(5)
Java FAQs - 03: Core Java
(15)
Java FAQs - 04: OOP & FP
(10)
Java FAQs - 05: JEE
(12)
Java FAQs - 06: Spring
(8)
Java FAQs - 07: Hibernate
(4)
Java FAQs - 08: Web Services
(6)
Java FAQs - 09: Microservices
(12)
Java FAQs - 10: Messaging
(3)
Java FAQs - 11: Architecture
(5)
Java FAQs - 12: RDBMS
(2)
Java FAQs - 13: SQL
(6)
Java FAQs - 14: Code Quality
(4)
Java FAQs - 15: Key Areas
(15)
Java FAQs - 16: UML
(1)
Java FAQs - 17: GIT
(4)
Java FAQs - 18: Unix
(3)
Java FAQs - 19: DevOps (CI/CD)
(9)
Java FAQs - 20: AWS (Cloud)
(5)
Java FAQs - 21: Maven
(1)
Java FAQs - 22: Regex
(2)
Java FAQs - 23: JSON & XML
(3)
Java FAQs - 24: JMeter
(2)
16+ Java Key Areas
Key Area - Going places
(2)
Key Area - Ice Breaker
(6)
Key Area - Design Concepts
(39)
Key Area - Judging Experience
(23)
Key Area - Best Practices
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Key Area - Concurrency Management
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Key Area - Low Latency
(10)
Key Area - CI/CD & DevOps
(12)
Key Area - Debugging
Key Area - Debug Hibernate
(3)
Key Area - Debug Java
(11)
Key Area - Debug JEE
(5)
Key Area - Debug Maven
(1)
Key Area - Debug Spark
(4)
Key Area - Debug Spring
(2)
Key Area - Design Patterns
Key Area - GoF Design
(10)
Key Area - JEE Design
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Key Area - Microservices patterns
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Key Area - Exception Handling
(4)
Key Area - Memory Management
(9)
Key Area - Performance
(13)
Key Area - Scalability
(3)
Key Area - SDLC
(7)
Key Area - Security
(18)
Key Area - Productivity Tools
(23)
Key Area - Transaction Management
(6)
Key Area - QoS & SLAs
(8)
300+ Core Java Interview Q&As
Core Java - Overview
(6)
Core Java - Data types
(9)
Core Java - Constructors
(1)
Core Java - Reserved Key Words
(2)
Core Java - Classes
(3)
Core Java - Objects
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Core Java - OOP
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Core Java - GC
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Core Java - Generics
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Core Java - FP
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Core Java - OOP to FP
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Core Java - I/O
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Core Java - Multithreading
(15)
Core Java - Data Structures
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Core Java - Annotations
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Core Java - AOP
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Core Java - Other
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Core Java - Collection API
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Core Java - Differences X & Y
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Core Java - Event Driven
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Core Java - Exceptions
(1)
Core Java - Java 7
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Core Java - Java 8
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Core Java - Java 9 to 20
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Core Java - JVM
(7)
Core Java - Reactive Program
(3)
Core Java - Swing & AWT
(2)
Core Java - Understanding
(4)
300+ Enterprise Java Interview Q&As
JEE - Overview
(2)
JEE - Web basics
(10)
JEE - Web Services
(11)
JEE - JPA
(2)
JEE - JTA
(1)
Key Area - JEE - API Design
(2)
JEE - JDBC
(5)
JEE - Microservices
(8)
JEE - JMS
(5)
JEE - JMX
(3)
JEE - JNDI and LDAP
(2)
JEE - JSF
(2)
JEE - Other
(3)
150+ Spring & Hibernate Interview FAQs
Framework - Hibernate Q&As
(13)
Framework - Spring Core
(5)
Framework - Spring MVC
(7)
Framework - Spring Cloud
(1)
Framework - Spring boot
(2)
Framework - Spring IO
(1)
Framework - Spring Config
(5)
150+ Java Architect interview FAQs
Architecture - Patterns
(10)
Architecture - How to
(12)
Architecture - AWS
(8)
Architecture - Azure
(6)
Architecture - Distributed
(8)
Architecture - Microservices
(11)
Architecture - Networking
(6)
Architecture - QoS
(1)
Architecture - ERD
(1)
Architecture - ETL
(2)
Architecture - Low Latency
(6)
Architecture - UML
(1)
150+ Companion Tech Interview Q&As
Tech - SQL Interview Q&As
(36)
Tech - Unix interview Q&As
(23)
Tech - Git interview Q&As
(8)
Tech - JavaScript Q&As
(6)
Tech - Regex Interview Q&As
(3)
Tech - XML Interview Q&As
(2)
Tech - JSON interview Q&As
(2)
Tech - Maven interview Q&As
(3)
Tech - NoSQL Interview Q&As
(3)
Tech - Groovy interview Q&As
(7)
Tech - JMeter interview Q&As
(2)
Tech - Domain Knowledge Q&As
(3)
Tech - FIX interview Q&As
(2)
Tech - YAML interview Q&As
(4)
Tech - XSD Interview Q&As
(2)
Tech - JavaScript - Angular JS
(3)
Tech - Networking interview Q&As
(5)
Tech - AWS Cloud
(10)
Tech - Azure Cloud
(4)
Tech - Docker & Kubernetes
(6)
150+ Java code quality interview Q&As
Code Quality - Automation
(1)
Code Quality - Code Coverage
(2)
Code Quality - FAQs 🔥
(7)
Code Quality - Profiling
(3)
Code Quality - Performance Test
(2)
Code Quality - Unit Testing
Code Quality - BDD
(4)
Code Quality - JMockit
(15)
Code Quality - Mockito
(4)
Code Quality - Unit Testing FAQs
(3)
Code Quality – Testing DAOs
(4)
Code Quality – JUnit, Mockito & Spring
(6)
Code Quality – JUnit Web
(2)
Code Quality - Spring TXN
(2)
150+ Java coding interview Q&As
Coding - Can you write code?
(22)
Coding - Complete the code
(13)
Coding - Converting from A to B
(6)
Coding - Designing your classes
(9)
Coding - Data Structures
Coding - Arrays
(2)
Coding - Big O notation
(2)
Coding - Graph Structure
(2)
Coding - LinkedList Structure
(2)
Coding - Map Structure
(1)
Coding - Pointer Algorithms
(3)
Coding - Queue Structure
(1)
Coding - Searching Algo
(1)
Coding - Sorting Algo
(4)
Coding - Stack Structure
(1)
Coding - Tree structure
(14)
Coding - Data Which & Why
(2)
Coding - Passing the unit tests
(5)
Coding - What is wrong?
(10)
Coding - Home Assignments
(6)
Coding - Written Test Core Java
(4)
Coding - Written Test JEE
(1)

Tutorials

Tutorials - Big Data
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Tutorials - Enterprise Java
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TUT - Unix
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