Jackson Field Absent vs Null Difference

When working with JSON data in Java applications, distinguishing between absent fields and fields with null values is a common challenge. Jackson, one of the most popular JSON processing libraries for Java, provides several mechanisms to handle this distinction. This article explores the difference between absent fields and null values in Jackson, along with practical …

Mar 6, 2025 - 10:34

When working with JSON data in Java applications, distinguishing between absent fields and fields with null values is a common challenge. Jackson, one of the most popular JSON processing libraries for Java, provides several mechanisms to handle this distinction. This article explores the difference between absent fields and null values in Jackson, along with practical …