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How to Use Java Records with Spring Boot
Learn how to use Java Records in Spring Boot for cleaner, more maintainable code. Explore real-world examples with DTOs, request/response models, and tips for best practices.
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Introduction to Java record
Java 14 introduced the Java record feature (as a preview) and officially introduced it in Java 16. A Java record
is a special class used to store immutable data.
📌 Key Features of Java record
:
✔ Immutable fields – Cannot be modified after creation.
✔ Auto-generated constructor, getters, toString()
, equals()
, and hashCode()
.
✔ Ideal for DTOs, API responses, and data modeling.
Declaring a Simple record
(Employee Example)
public record Employee(int id, String firstName, String lastName, String email) {}
📌 What this automatically generates:
// Equivalent traditional Java class
public final class Employee {
private final int id;
private final String…