Java
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RabbitMQ Consumer Acknowledgments & Publisher Confirmations
RabbitMQ is a robust message broker widely used to facilitate communication between different components in distributed systems. Two critical aspects…
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Fix IllegalStateException Blocking
When working with reactive programming in Java, especially using Spring WebFlux, developers may encounter the java.lang.IllegalStateException indicating that methods like…
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HashSet vs. TreeSet: A Comparative Analysis
HashSet and TreeSet are both implementations of the Set interface in Java, used to store unique elements. While they share…
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How to Handle Default Values in Avro
Apache Avro is a popular data serialization framework used in big data systems like Apache Kafka and Hadoop. One of…
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Cucumber: Pass List Param
Cucumber is a popular tool used for Behavior-Driven Development (BDD). When writing tests, passing different types of data to step…
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Beyond Exceptions: Better Ways to Handle Errors in Java
In the world of Java development, exceptions are a powerful tool for handling unexpected errors and maintaining code robustness. However,…
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Spring Security 6.3 – What’s New
Spring Security 6.3 introduces several enhancements and new features that aim to improve security, developer experience, and performance. With modern…
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Spring Validator Validation Example
1. Introduction Spring Validation Framework includes the Validator interface that handles data validation. It is used to implement custom validation…
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Guide to FileOutputStream vs. FileChannel
In Java, file handling is crucial for reading from and writing to files. Two common classes used for output operations…
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