MapStruct With Inheritance Examples

1. Introduction MapStruct is an open-source, compile-time code generator, and annotation processor. It simplifies the implementation of mappings between different…

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Spring MockMVC Get JSON As Object

1. Introduction Spring MockMVC is the Spring MVC testing framework which performs Spring MVC request handling and response asserting via…

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How to Test a Spring AOP Aspect

1. Introduction Aspect-Oriented Programming (AOP) is one of programming paradigms that separates cross-cutting concerns as aspects. It complements Object-Oriented Programming…

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Lombok Constructor Annotations Example

1. Introduction Lombok is an open-source Java library that generates getter, setter, toString, equals, hashCode, and constructors automatically to reduce…

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Read and Write JSON to File with GSON

1. Introduction Using GSON to read and write json to file is easy with the fromJson and toJson APIs. GSON…

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Jackson Serialize and Deserialize LocalDate Example

1. Introduction Creating a custom serializer and deserializer via the Jackson library is a common task in Java applications. The…

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Custom Field Name with @JsonProperty

1. Introduction Custom field name with @JsonProperty is very useful when mapping Java fields to JavaScript Object Notation (JSON) properties…

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Jackson and Lombok Examples

1. Introduction Jackson is an open-source java library for processing JSONs. It deserializes a JSON string into a Plain Old…

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Map Subset of JSON via Jackson

1. Introduction JavaScript Object Notation (JSON) is a text-based data format and widely used in the APIs for exchanging data…

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