Get the Schema From an Avro File

Date: 2024-12-12

This article explains how to retrieve the schema from an Avro file using Java. Apache Avro is a data serialization framework that stores data with its schema embedded within, enabling self-describing data and simplifying interoperability. The Java code provided demonstrates writing data to an Avro file and then reading back the schema using DataFileReader and getSchema(). The extracted schema, presented in JSON format, reveals the data structure, including field names and types. This process is crucial for effectively processing Avro-encoded data in various applications.

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