Example of JPA entity

Employee.java

package example;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

@Entity(name = "employee")
public class Employee {
  
  @Id
  @GeneratedValue
  public Long id;
  
  @Column(name = "emp_salary")
  public int salary;
  
  @Column(name = "emp_first_name")
  public String firstName;
  
  @Column(name = "emp_last_name")
  public String lastName;
}