Spring Boot - Messaging
Which of the following ensures a Java class can be serialized to JSON by Spring Boot's default Jackson mapper?
Which of the following ensures a Java class can be serialized to JSON by Spring Boot's default Jackson mapper?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand Jackson serialization
Jackson serializes Java objects by accessing public getters or fields.Step 2: Check interface requirement
Implementing java.io.Serializable is not required for JSON serialization.Step 3: Annotations and inheritance
@Entity is for JPA, not serialization; no SerializableModel class exists in Spring Boot.Final Answer:
The class must have public getters for its fields -> Option DQuick Check:
Jackson uses getters to serialize objects [OK]
Quick Trick: Jackson serializes via public getters, not Serializable interface [OK]
Common Mistakes:
- Assuming java.io.Serializable is needed for JSON serialization
- Confusing JPA @Entity with serialization
- Believing inheritance from a Spring class is required
Master "Messaging" in Spring Boot
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Spring Boot Quizzes