rkhmelyuk/blog_person_comparable_empty.groovy

## blog_person_comparable_empty.groovy
class Person implements Comparable<Person> {
    String firstName
    String lastName
    int age

    int compareTo(Person other) {
      ...
    }
}
	class Person implements Comparable<Person> {
	String firstName
	String lastName
	int age

	int compareTo(Person other) {
	...
	}
	}