Technical interview prep
Get ready for Java, Spring and Angular interviews
Real interview questions, corrections that call out the classic traps, and a weak-spot tracker by topic.
Prep. Ace. Get hired.
Topics covered
Java Core
Types, collections, streams, concurrency
Spring Boot
Dependency injection, MVC, security, testing
JPA & Hibernate
Mapping, relations, caching, performance
SQL
Joins, indexes, transactions, modeling
Angular
Change detection, RxJS, signals, forms
Claude & LLM
Prompting, tool use, RAG, agent security
Kubernetes
Pods, deployments, scaling, resilience
GCP
Compute, IAM, networking, managed data
Kafka
Topics, partitions, consumer groups, exactly-once
Kotlin
Null safety, coroutines, sealed classes, extensions
GitHub Copilot
AI-assisted development, code review, risks
AWS
EC2, Lambda, IAM, S3, RDS, DynamoDB
Azure
App Service, AKS, Entra ID, Functions
Docker
Images, layers, networking, multi-stage builds
Terraform
State, plan/apply, modules, configuration drift
Apache Spark
RDD, DataFrame, shuffle, structured streaming
How it works
Answer it in your head
Every question is phrased the way a real interviewer would ask it, no hints.
Reveal the correction
A full answer, plus the trap most candidates fall into on that exact question.
Rate yourself
I knew it, partially, or not at all: this feeds your progress dashboard.