Learn JUnit 5 with this complete guide. Explore annotations, assertions, test execution, and advanced features for modern Java apps.
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Discover different ways to call a method in Java. From basic method calls to reflection and method references, this tutorial covers it all.
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Compare JobRunr in-memory jobs and database-backed persistence in Spring Boot, including retries, restarts, dashboards, and failure recovery trade-offs.
JobRunr with Spring Boot: In-Memory Jobs vs Database Persistence Read More »
Learn Java BigDecimal for precise calculations. Explore creation, operations, rounding, comparisons, and best practices in this tutorial.
Learn how to integrate Quartz Scheduler in Spring Boot, with and without database persistence. Step-by-step guide with practical examples.
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Learn Java data types in this beginner-friendly guide. Covers primitive, non-primitive types, type casting, and best practices for coding.
Learn Spring Boot AOP basics. Understand cross-cutting concerns like logging, security, and transactions with clear examples.
Spring Boot AOP Basics: Aspect-Oriented Programming Read More »
A focused guide to Java Formatter, String.format, and printf for readable logs, reports, and messages without formatting bugs in production code.
Java String Formatting: Formatter, printf, and Production Logs Read More »
Build a Spring Boot Kafka producer and consumer with safer retries, cleaner configs, and fewer duplicate message surprises.
Spring Boot Kafka Producer and Consumer Setup That Avoids Duplicate Messages Read More »
Learn to write CSV files in Java using OpenCSV, from setup to handling complex data, special characters, and following best practices.