Execute Scheduled Task Only Once in Spring Boot

Usually, we configure tasks to run periodically. However, there are situations where we may need to schedule a task to…

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Determine CSV File Delimiter In Java

CSV (Comma Separated Values) files are widely used for data storage and transfer. While the default delimiter is often a…

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Iterate over a Guava Multimap

A Multimap is a collection that maps keys to values, where each key may be associated with multiple values. Let…

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Lombok @Locked Annotation Example

Lombok is a popular Java library that helps reduce boilerplate code by automatically generating getters, setters, constructors, and more. One…

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Format Output in a Table Format Using System.out

Formatting output in a table-like structure is essential for displaying data in a clear and organized way. Java provides several…

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Create Avro Schema With List of Objects

Apache Avro is a powerful data serialization framework that enables efficient data exchange and storage. It is widely used in…

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Convert Avro File to JSON File in Java

In today’s data-driven world, effective data serialization formats are crucial for efficient storage and transmission of information. Apache Avro and…

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Finding Years Starting Sunday And Year Range

Determining which years start on a specific day, such as Sunday, can be an interesting challenge, often required in scheduling,…

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Integrate Amazon Athena with Spring Boot

Amazon Athena is an interactive query service that makes it easy to analyze data in Amazon S3 using standard SQL.…

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