Practice
Pick a topic to start a question session.
Java Core
Types, collections, streams, concurrency
15 questionsPractice this topic
Spring Boot
Dependency injection, MVC, security, testing
15 questionsPractice this topic
JPA & Hibernate
Mapping, relations, caching, performance
13 questionsPractice this topic
SQL
Joins, indexes, transactions, modeling
13 questionsPractice this topic
Angular
Change detection, RxJS, signals, forms
15 questionsPractice this topic
Claude & LLM
Prompting, tool use, RAG, agent security
13 questionsPractice this topic
Kubernetes
Pods, deployments, scaling, resilience
13 questionsPractice this topic
GCP
Compute, IAM, networking, managed data
13 questionsPractice this topic
Kafka
Topics, partitions, consumer groups, exactly-once
13 questionsPractice this topic
Kotlin
Null safety, coroutines, sealed classes, extensions
13 questionsPractice this topic
GitHub Copilot
AI-assisted development, code review, risks
13 questionsPractice this topic
AWS
EC2, Lambda, IAM, S3, RDS, DynamoDB
13 questionsPractice this topic
Azure
App Service, AKS, Entra ID, Functions
13 questionsPractice this topic
Docker
Images, layers, networking, multi-stage builds
13 questionsPractice this topic
Terraform
State, plan/apply, modules, configuration drift
13 questionsPractice this topic
Apache Spark
RDD, DataFrame, shuffle, structured streaming
13 questionsPractice this topic