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01: 12+ Git Source control must know basics interview Q&As

Q1. How does Git differ from SVN?
A1.

#1. Git is a distributed source control system meaning that there will be multiple client repositories.

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01: 13 Java low latency interview questions & answers

Trading Execution reports are received and processed asynchronously

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: 14 Unix must-know interview questions & answers

Q1 How do you remove the Control-M characters from a file?
A1 Control-M is a carriage return on keyboard. The ^M is the keyboard equivalent to \r.

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01: 21 Docker DevOps interview Q&As

Docker, Jenkins, CI/CD, & DEV/OPS have been the buzz words for the last several years. You will be seeing this in more often in the job requirements as well. Docker...

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01: Can you design classes & interfaces using OO?

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, … Read...

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01: High level & low level system design considerations for read heavy systems

Q1. What are some of the design considerations for a read heavy system? A1. Before designing any systems, one should gather the functional & … Read more ›...

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01: High level & low level system design considerations for write heavy systems

This extends High level & low level system design considerations for read heavy systems Q1. What are some of the design considerations for a write heavy system? … Read more...

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01: jvisualvm tutorial to sample Java heap memory

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...

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01: NoSQL interview Q&As – Key Value, Wide Column, Document & Graph databases

NoSQL databases

Q1. What are the key differences between SQL & NoSQL databases? A1. Now a days you have a choice which database to use based on your requirements. … Read more...

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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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300+ Java Interview FAQs
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
(6)
Key Area - Concurrency Management
(6)
Key Area - Low Latency
(10)
Key Area - CI/CD & DevOps
(13)
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
(3)
Key Area - Microservices patterns
(5)
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
(7)
Core Java - Data types
(9)
Core Java - Constructors
(1)
Core Java - Reserved Key Words
(2)
Core Java - Classes
(3)
Core Java - Objects
(7)
Core Java - OOP
(10)
Core Java - GC
(2)
Core Java - Generics
(5)
Core Java - FP
(14)
Core Java - OOP to FP
(9)
Core Java - I/O
(8)
Core Java - Multithreading
(15)
Core Java - Data Structures
(5)
Core Java - Annotations
(2)
Core Java - AOP
(1)
Core Java - Other
(4)
Core Java - Collection API
(13)
Core Java - Differences X & Y
(5)
Core Java - Event Driven
(2)
Core Java - Exceptions
(1)
Core Java - Java 7
(2)
Core Java - Java 8
(24)
Core Java - Java 9 to 20
(7)
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
(27)
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
(7)
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 - Big Data
TUT - ⏯ Starting Big Data
TUT - Starting Spark & Scala
TUT - Starting with Python
TUT - Kafka
TUT - Pig
TUT - Apache Storm
TUT - Spark Scala on Zeppelin
TUT - Cloudera
TUT - Cloudera on Docker
TUT - File Formats
TUT - Spark on Docker
TUT - Flume
TUT - Hadoop (HDFS)
TUT - HBase (NoSQL)
TUT - Hive (SQL)
TUT - Hadoop & Spark
TUT - MapReduce
TUT - Spark and Scala
TUT - Spark & Java
TUT - Apache Kafka
TUT - Hadoop
TUT - PySpark on Databricks
TUT - Zookeeper
Tutorials - Enterprise Java
TUT - ⏯ Starting with Java
TUT - Diagnosis
TUT - Akka
TUT - Akka Scala
TUT - Akka Java
TUT - AWS EC2
TUT - CI/CD Jenkins
TUT - Core Java
TUT - Debugging
TUT - Java 8
TUT - JSON and Java
TUT - Java Beginner
TUT - XML and Java
TUT - CSV and Java
TUT - Docker
TUT - JEE
TUT - Web & Web Services
TUT - REST Client
TUT - JSF
TUT - JDBC
TUT - FIX and Java
TUT - JAXB
TUT - JMX
TUT - JPA
TUT - MySQL
TUT - Scala
TUT - Scala Actors
TUT - Spring & Hibernate
TUT - Hibernate
TUT - Spring Basics
TUT - Spring batch
TUT - Hibernate & Spring
TUT - Spring Boot
TUT - Spring IO
TUT - Spring ORM
TUT - Spring other
TUT - Spring OXM
TUT - Spring Cloud
TUT - Tools
TUT - JMeter
TUT - Maven
TUT - Maven Assembly
TUT - Maven Profiles
TUT - Productivity Tools
TUT - Apache Kafka
TUT - Kubernetes
TUT - ⏯ Videos
TUT - ⏯ Starting with Java
TUT - ⏯ Spring Core
TUT - ⏯ Spring MVC
TUT - ⏯ JDBC, Hibernate
TUT - ⏯ Spring Boot
TUT - ⏯ Angular with Spring
TUT - ⏯ Q&As
TUT - Other
TUT - SQL
TUT - Drools
TUT - Apache POI
TUT - DOS
TUT - Dozer
TUT - ESB
TUT - Groovy
TUT - Jasper Reports
TUT - Logging and auditing
TUT - Metrics
TUT - Orika Mapping
TUT - Pentaho Kettle ETL
TUT - Unix
TUT - Webspeher MQ
TUT - YAML

Prepare to fast-track & go places

Answers are detailed to be useful beyond job interviews. A few Q&As each day will make a huge difference in 3 to 24 months depending on your experience.
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