Mapping Questions

⦿What Are the Best Tools for Java Object to Object Mapping?

Discover popular tools for Java object to object mapping including free options and their key features for converting DO to DTO.

⦿Understanding the 'Owning Side' in ORM Mapping

Learn about the owning side in ORM mappings with clear explanations and examples of onetoone onetomany and manytoone relationships.

⦿When to Use `map` vs `flatMap` in RxJava: Understanding Their Differences and Best Practices

Learn when to use map or flatMap in RxJava for optimal JSON handling and error management. Explore examples and best practices.

⦿How to Deserialize JSON to ArrayList of POJOs Using Jackson in Java

Learn how to deserialize JSON to an ArrayList of POJOs using Jackson in Java including code snippets and common mistakes to avoid.

⦿How to Implement Multi-Column Constraints in JPA Using Annotations?

Learn how to enforce multicolumn constraints in JPA entities using annotations for unique combinations ensuring data integrity.

⦿How to Resolve 'Cannot Resolve Column' Error in JPA with IntelliJ?

Learn how to troubleshoot and fix the Cannot Resolve Column error in JPA with IntelliJ especially when using Hibernate and OpenJPA.

⦿Comparison of Java Mapping Frameworks: Selma vs MapStruct

Explore the differences between Selma and MapStruct two popular Java ObjecttoObject mapping frameworks. Learn which one to choose for your project

⦿How to Ensure Hibernate Returns java.util.Date Instead of Timestamp?

Learn how to configure Hibernate to return java.util.Date for date fields instead of Timestamp. Explore efficient methods without modifying each variable.

⦿Is There an Equivalent of .NET's AutoMapper for Java?

Explore Java libraries that function similarly to .NETs AutoMapper for object mapping and data transfer.

⦿How to Retrieve Foreign Keys Instead of Entities in Hibernate?

Learn how to access foreign keys in Hibernate relationships instead of entity objects. Find optimized solutions and common mistakes to avoid.

⦿How to Efficiently Map a org.json.JSONObject to a POJO in Java?

Learn how to directly map a org.json.JSONObject to a POJO in Java without unnecessary conversions optimizing your code for efficiency.

⦿How to Use Jackson ObjectMapper with Post-Construction Logic for Deserialization

Learn how to add postconstruction logic to a Java class using Jackson ObjectMapper with JsonCreator and custom methods.

⦿How to Implement Case Insensitive URLs in Spring MVC with Annotated Mappings

Learn how to create case insensitive URLs in Spring MVC using annotated mappings for better handling of web requests.

⦿Importance of Annotations on Getters and Setters in JPA Mapping

Learn why using annotations on getters and setters is crucial in JPA for efficient mapping of classes.

⦿How to Map MySQL TEXT Type to Java Hibernate?

Learn how to effectively map MySQL TEXT data type to Java Hibernate with practical examples and best practices.

⦿How to Map a `Map<String, String>` in JPA?

Learn how to effectively map a MapString String in JPA with code examples and detailed explanations.

⦿How to Map a Map in Hibernate Using Annotations

Learn how to effectively map a Map collection in Hibernate using annotations with stepbystep guidance and examples.

⦿How to Map Collections Using Dozer in Java

Learn how to effectively map collections with Dozer in Java. Stepbystep guide with code examples common mistakes and debugging tips.

⦿How to Read Embedded Objects Using Jackson in Java?

Learn how to read embedded objects with Jackson in Java including tips code snippets common mistakes and solutions.

⦿How to Ignore Specific Fields in Collection Mapping Using MapStruct

Learn how to ignore specific fields during collection mapping in MapStruct with practical examples and best practices.

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