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Core Java
Compare Different Numeric Types in Java
Sometimes, we need to compare numbers regardless of their classes or types. This is particularly useful when the format is…
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Enterprise Java
PostgreSQL – Indexes
Indexes in PostgreSQL are data structures used to improve the speed of data retrieval operations on database tables. They work…
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Enterprise Java
PostgreSQL – Recursive CTEs
Common Table Expressions (CTEs) are a powerful feature in SQL that allows you to create temporary result sets that can…
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Core Java
Parse JSON using Moshi
Moshi is a modern JSON library for Android and Java by Square. It simplifies parsing and serializing JSON, supports annotations,…
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Enterprise Java
Manage Kafka Listeners Dynamically in Spring Boot
In contemporary event-driven architectures, proficient management of data streams is paramount. Apache Kafka stands out as a favored solution for…
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Enterprise Java
Querydsl vs. JPA Criteria
Querydsl and JPA Criteria are widely used frameworks for creating type-safe queries in Java. Both offer methods to express queries…
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Core Java
Guide to ExecutorService vs. CompletableFuture
Modern applications often require efficient handling of concurrent tasks to improve performance and responsiveness. Java provides robust concurrency utilities, such…
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Core Java
Intro to the Apache Commons CLI
The Apache Commons CLI library is a powerful tool that enables developers to efficiently create command line interfaces (CLIs) for…
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Core Java
Capture Method Arguments in Mockito Test
During code testing, we may need to capture the method parameters. Let us delve into understanding how Mockito captures passed…
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