Person

public class Person {

    private int age;
    private String name;

    public Person(int age, String name) {
        // WHAT HAPPENS IF AGE ENTERED IS NEGATIVE?!?!
        //this.age = (age > 0) ? age : 0;
        setAge(age);
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = Math.max(age, 0);
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Override
    public String toString() {
        return "Name : " + getName() +
                "Age: "+ getAge();
    }

    public int addAges(Person anotherPerson) {
        return anotherPerson.getAge() + this.getAge();
    }

    public static void main(String[] args) {
        Person person1 = new Person(23, "Robin");
        Person person2 = new Person(22, "Thomas");
        System.out.println(person1.toString());
        System.out.println(person2.toString());
        System.out.printf("The sum of ages: %,d\n",person1.addAges(person2));

    }
}