-
Core Java
Java Stream Gatherers Example
Java’s Stream API, introduced in Java 8, transformed the way we process collections. With expressive, functional-style operations like map, filter,…
Read More » -
Enterprise Java
Top Spring Boot 3.2 Interview Questions and Answers (2025 Edition)
Stay ahead with the latest features and patterns in the most popular Java framework. Spring Boot remains the most in-demand…
Read More » -
Core Java
Compile Java Code with Java Compiler API
Java is traditionally compiled using command-line tools like javac. However, Java 6 introduced the Java Compiler API (JSR 199), which…
Read More » -
Enterprise Java
JSP Call Java Class Example
In Java-based web applications, JSP (JavaServer Pages) is used to present dynamic content to users. Often, you need to invoke…
Read More » -
Enterprise Java
Implementing CQRS and Event Sourcing with Axon Framework in Spring
Modern enterprise applications often require complex consistency, scalability, and traceability features. This is where CQRS (Command Query Responsibility Segregation) and…
Read More » -
Enterprise Java
Serverless Spring Boot on AWS Lambda Using SnapStart
Running Spring Boot on AWS Lambda used to be a cautionary tale because of cold starts—the time it takes to…
Read More » -
Core Java
How to Map Nested Properties Using MapStruct
This article explores how to perform nested mapping using the MapStruct library. Nested mapping is a common requirement in enterprise…
Read More » -
Core Java
Hibernate Fix DuplicateMappingException
1. Introduction To fix DuplicateMappingException requires that a column only maps to a single field. The org.hibernate.DuplicateMappingException is a runtime…
Read More » -
Enterprise Java
Query DynamoDB with Hashkey And Range Key
Amazon DynamoDB is a fully managed NoSQL database service designed for high availability and low latency at any scale. It…
Read More »
