POST API RequestBody Bussiness Logic(Send Body To Database)

//create Employee
    public Employee createEmployee(Employee employee){
        EmployeeEntity employeeEntity = new EmployeeEntity();

        employeeEntity.setId(employee.getId());
        employeeEntity.setFirstName(employee.getFirstName());
        employeeEntity.setLastName(employee.getLastName());

        employeeRepository.save(employeeEntity);
        return employee;
    }