ExecutorService Vs Fork/Join & Future Vs CompletableFuture Interview Q&As

Coderbyte Java Solutions

https://github.com/metin-aksu/Java/tree/master

Data Structures & Algorithms, Coding Interview Problems, Design Patterns, and System Design

https://www.youtube.com/@hello-byte/shorts

bolt java interview questions

https://java-collections-int-f95z.bolt.host/

Java architect interview

Java architect interview questions

https://www.java-success.com/java-architect-interview-questions-answers/

mock test

InterviewBit Practice

https://www.interviewbit.com/practice/

Java OOPS for Interviews

https://www.codingshuttle.com/mock-tests/java-oops-for-interviews/

dsa prime

https://www.codingshuttle.com/sheets/dsa-prime-sheet/

kafka

Kafka tutorial

https://www.youtube.com/watch?v=6AYNxdKQ_0o

Kafka Tutorial

https://www.youtube.com/watch?v=QkdkLdMBuL0

AWS

Creating a front-end for Lambda functions (Getting started with AWS Lambda

https://www.youtube.com/watch?v=mfAT38B_uhw

Spring Cloud

Spring Cloud: Routing with Zuul and Gateway

https://stackabuse.com/spring-cloud-routing-with-zuul-and-gateway/

kubernetes

Kubernetes Cheatsheet

https://claude.ai/public/artifacts/706e8d74-d209-446e-ab67-65d39d0450c6

Kubernetes Interview Questions 2026 (star)

https://www.youtube.com/watch?v=WRDf3aKH3X0&t=671s

What is Kubernetes? Tamil

https://www.youtube.com/watch?v=8c4oEuANkTQ

Kubernetes Stateful vs Stateless

https://www.youtube.com/watch?v=m7J5-JfVtsA

Kubernetes DaemonSet Tamil

https://www.youtube.com/watch?v=XGZ8CX_Ze8Y

Kubernetes Service, Endpoints & Kube Proxy in Tamil

https://www.youtube.com/watch?v=rIKaESMkeRE

kubernetes

https://www.codingshuttle.com/handbooks/

Spring Cloud Kubernetes | ConfigMaps | Config Server in Kubernetes

https://www.youtube.com/watch?v=Jk0N-drqXvY

Helm Tamil

https://www.youtube.com/watch?v=0IDeXe9Zqns

Helm

https://www.youtube.com/watch?v=-ykwb1d0DXU

Flow charts and Diagrams

draw.io

https://app.diagrams.net/

skywork

https://skywork.ai/

MultiThreading

Java multithreading interview questions & answers

https://www.java-success.com/java-multithreading-interview-questions-and-answers/

Multithreading | Episode-1 | Cuncurrency | Parallelism

https://www.youtube.com/watch?v=3rMvvb1rIxU

Java Threads vs Virtual Threads

https://www.youtube.com/watch?v=0NtIcbSsjBc

performance

Scale From Zero To Millions Of Users

https://bytebytego.com/courses/system-design-interview/scale-from-zero-to-millions-of-users

Architecture

How UPI Works: Real-Time Payments in India | Paypal | Zelle

https://www.youtube.com/watch?v=iI2NaN_QVTI

Event Driven Architecture

https://www.youtube.com/watch?v=hrvx8Nv9eQA

High-Frequency Trading System

https://www.youtube.com/watch?v=iwRaNYa8yTw

WebSockets

https://www.youtube.com/watch?v=BKonNa7XPdg

Design Patterns in 10 Minutes | Decorator, Command

https://www.youtube.com/watch?v=USLwIwyWVIM

How Domain-Driven Design Makes

https://www.youtube.com/watch?v=sVi4aDNIPWo

Domain-Driven Design: Exploring Business Domains and Subdomains

https://www.youtube.com/watch?v=eDpXY6KJiY8

Hard disk partition

https://www.youtube.com/watch?v=JkdNmWDLqD4

Data lakehouse

https://www.youtube.com/watch?v=taSmwcqdkQk

Structures and collections

Data structure (very important)

https://www.youtube.com/watch?v=vVL6NFzr0Rg

BigData

AI

how-cursor-shipped-its-coding-agent

https://blog.bytebytego.com/p/how-cursor-shipped-its-coding-agent

LLM crash course

https://www.youtube.com/watch?v=DZLAJ67OP9s

MCP Vs RAG Vs Agents

https://www.youtube.com/watch?v=4_aSQCcRtuA

https://ollama.com/

https://ollama.com/

Meta Refrag is NEXT LEVEL

https://www.youtube.com/shorts/7NRsPAtQrIk

Design Patterns

Observer Design Patterns

https://www.digitalocean.com/community/tutorials/observer-design-pattern-in-java

Behavioral Design Patterns

https://www.geeksforgeeks.org/system-design/behavioral-design-patterns/

all Design Patterns

https://java-design-patterns.com/patterns

refactoring.guru design-patterns

https://refactoring.guru/design-patterns/behavioral-patterns

Java 8 features

Java 8 Features

https://howtodoinjava.com/java8/stream-flatmap-example/

Spring

OpenFeign

https://www.freecodecamp.org/news/best-choice-openfeign-or-webclient

Redis

Redis Tutorial

https://www.youtube.com/watch?v=z_NbVtbgBJw

spark

Spark Tutorial

https://docs.cloudera.com/runtime/7.2.16/developing-spark-applications/spark-developing-applications.pdf

JWT

Authentication Explained: When to Use Basic, Bearer, OAuth2, JWT & SSO

https://www.youtube.com/watch?v=9JPnN1Z_iSY

Session vs JWT

https://www.youtube.com/watch?v=fyTxwIa-1U0

Passwords

https://www.youtube.com/watch?v=TuNvdQUVkto

Prometheus

Prometheus Grafana Tutorial Tamil

https://www.youtube.com/watch?v=VwDEn97-J6I

Testing

Playwright Tutorial 1 to 12

https://www.youtube.com/watch?v=Ea4aZB0Zlsw&list=PLhW3qG5bs-L9sJKoT1LC5grGT77sfW0Z8&index=7

java-interview

https://github.com/DeepakVadgama/java-interview/tree/master

jps jstack jmc jfr jvisualvm jconsole jcmd

https://www.baeldung.com/java-flight-recorder-monitoring

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others

Alpine.js and Hyperscript

https://youtu.be/k1TrnzZaygo?t=305

HTMX> https://www.youtube.com/watch?v=PgyggSRHY1o

Consul vs Eureka

https://youtu.be/Qlbkqel94Ms

k8s & Terraform Interview Prep

https://github.com/gashok13193/DevOps-Docs/tree/main/Interview%20Prep

traefik

https://doc.traefik.io/traefik-hub/

Master Service Discovery in Microservices

https://www.youtube.com/watch?v=ecuEkmFs5Vk