EmailMessage.java

package com.example.demo.entity;

import jakarta.persistence.*;
import jakarta.validation.constraints.Email;
import jakarta.validation.constraints.NotNull;
import jakarta.validation.constraints.Size;

@Entity
@Table(name = "users")
public class User {

 @Id
 @GeneratedValue(strategy = GenerationType.IDENTITY)
 private Long id;

 @NotNull
 @Size(min = 2, max = 100)
 private String name;

 @Email
 @NotNull
 @Column(unique = true)
 private String email;

 // Constructors
 public User() {}

 public User(String name, String email) {
 this.name = name;
 this.email = email;
 }

 // Getters & Setters
 public Long getId() {
 return id;
 }

 public String getName() {
 return name;
 }

 public void setName(String name) {
 this.name = name;
 }

 public String getEmail() {
 return email;
 }

 public void setEmail(String email) {
 this.email = email;
 }
}