Java
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Fix Cannot Load Driver Class: com.mysql.jdbc.driver in Spring Boot
1. Introduction The “can not find driver exception” with “com.mysql.jdbc.driver" means that the Spring Boot application can not load the…
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Securing GraphQL with Spring Security: A Practical Guide
GraphQL provides a flexible and efficient way to query APIs, but with that power comes the need for robust security.…
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Getting Started with OSHI
OSHI (Operating System and Hardware Information) is a free, open-source Java library used to retrieve system information like CPU, memory,…
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Objenesis Hello World Example
In Java, object instantiation typically involves invoking a constructor using the new keyword or reflective instantiation via Constructor.newInstance(). However, these…
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Rate Limiting in Java: Implementing Per-User Throttling with Redis Buckets
To protect APIs from abuse and ensure fair usage, rate limiting is essential. It prevents users or clients from overwhelming…
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Zero Downtime Deployments with Kubernetes and Argo Rollouts
Delivering new features quickly is important, but not at the cost of application stability. In modern DevOps workflows, zero downtime…
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Jolokia Spring Boot Integration Example
Monitoring and managing Spring Boot applications can be greatly enhanced using tools like Jolokia, which exposes JMX MBeans over HTTP.…
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How to Use Avro to Serialize and Deserialize Dates
Working with dates and timestamps in data serialization can be tricky, especially when consistency and precision matter. Avro, a popular…
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Spring Boot 3 + Record-Based DTOs: Cleaner APIs with Better Type Safety
Java 16 introduced records, a new kind of class designed to model immutable data. With the advent of Spring Boot…
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