A fun-loving family man, passionate about computers and problem-solving, with over 15 years of experience in Java and related technologies.An avid Sci-Fi movie enthusiast and a fan of Christopher Nolan and Quentin Tarantino.
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Docker Interview Questions for DevOps
Java 21 String Templates
Deploy a Dockerized Spring Boot App to AWS
Spring Boot, Keycloak and TestContainer Example
Keycloak – Export and Import a Realm
Keycloak – Script upload is disabled while importing a realm
OAuth2 Login with Keycloak and Spring Boot Security 3
Getting Started with Keycloak on Docker
Spring Boot @RateLimiter and @Bulkhead with Resilience4j 2
Java ConcurrentSkipListMap
Login/Logout using Spring Boot Security 3 and JWT Auth
Spring Boot REST – Handling XML Request and Response
Spring @Sql, @SqlGroup and @SqlMergeMode
Load Initial Data with SQL Scripts in Spring Boot
Gson TypeAdapters for Java 8 LocalDate/Time Classes
Getting Started with Spring Boot Data and MongoDB
[Solved] MongoDB: Command failed with error 18 (AuthenticationFailed)
JPAstreamer – JPA Entities as Java Stream in Spring Boot
[Solved] Java class file has wrong version 61.0
[Solved] Spring Boot H2 – Schema not found
Python Interview Questions and Answers
Convert a Primitive Array to List in Java
Handle Exceptions Thrown in Java Streams
List of Zone Ids and Zone Offsets in Java
Java 8 – Generate Random Number in Range
Convert Instant to ZonedDateTime in Java
Java – Convert Instant to LocalDateTime, LocalDate or LocalTime
Spring Boot – Separate DataSource for Test, Dev and Prod
Connect to MySQL / PostgreSQL Running in Docker Container
Convert a String Array to Integer Array in Java
JMH ERROR: Unable to find the resource: /META-INF/BenchmarkList
Check If a File Exists in Python
Spring Boot, Testcontainers and JUnit 5 Example
Mask a String Except Last 4 Chars in Java
Builder Pattern for Java Records
Spring Boot – PartEvent API to Stream Multipart Form Uploads
Spring @RSocketExchange with Example
Guide to RSocket using Spring Boot
Log4j2 – Delete Old Logs on Rollover
Correct Way to Assert Two Equal Lists Ignoring Order
Fastexcel: Efficiently Read and Write Large Excel Files in Java
How to Configure MyBatis with Spring Boot
Spring Declarative HTTP Client using @HttpExchange
Spring ProblemDetail and ErrorResponse
TypeScript – How to Remove Items from Array
TypeScript – How to Add Items to Array
TypeScript Date
JMH – Java Microbenchmark Harness
Spring @Lookup Method Injection
Spring: Injecting Prototype Bean into Singleton Bean
HowToDoInJava provides tutorials and how-to guides on Java and related technologies.
It also shares the best practices, algorithms & solutions and frequently asked interview questions.
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