package com.example.demo; import javax.persistence.*; @Entity public class Employee { @Id @GeneratedValue(strategy = GenerationType.AUTO) private int id; private String name; private String ssn; @OneToOne(cascade = CascadeType.ALL) @JoinColumn(name = "laptop_id") private Laptop laptop; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getSsn() { return ssn; } public void setSsn(String ssn) { this.ssn = ssn; } public Laptop getLaptop() { return laptop; } public void setLaptop(Laptop laptop) { this.laptop = laptop; } }