My Sql + Spring Boot JPA - One to many, many to one example

Application.java

package com.javaxp;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

import com.javaxp.model.Department;
import com.javaxp.model.Employee;
import com.javaxp.repository.DepartmentRepository;
import com.javaxp.repository.EmployeeRepository;

@SpringBootApplication
public class Application implements CommandLineRunner {

	@Autowired
	private EmployeeRepository employeeRepository;

	@Autowired
	private DepartmentRepository departmentRepository;

	public static void main(String[] args) {
		SpringApplication.run(Application.class, args);
	}

	public void run(String... args) throws Exception {
		System.out.println("---Saving departments..");
		Department dept = new Department();
		dept.setDepartmentName("Technology");
		departmentRepository.save(dept);
		System.out.println(dept);

		System.out.println("---Saving employees..");
		Employee emp1 = new Employee();
		emp1.setEmployeeName("Mark");
		emp1.setDepartment(dept);
		employeeRepository.save(emp1);
		System.out.println(emp1);

		Employee emp2 = new Employee();
		emp2.setEmployeeName("Larry");
		emp2.setDepartment(dept);
		employeeRepository.save(emp2);
		System.out.println(emp2);

		System.out.println("---Printing all employees..");
		List<Employee> employeeList = employeeRepository.findAll();
		employeeList.forEach(employee -> {
			System.out.println(employee);
		});
		
		System.out.println("---Deleting employee..");
		employeeRepository.delete(emp1);

		System.out.println("---Again printing all employees");
		employeeList = employeeRepository.findAll();
		employeeList.forEach(employee -> {
			System.out.println(employee);
		});
	}
}