classes, Person class, Exercise 03 slide 48

package class170706;

public class Person {
    // properties
    private String name; // person name, 2 letters at least
    private int height; // person height in cm, positive value
    private double weight; // person weight in kgm, positive value

    // get person name
    public String getName() {
        return name;
    }

    // set person name
    public boolean setName(String name) {
        // if argument is invalid
        if (name.length() < 2) {
            // no changes, return false
            return false;
        }

        // update person name
        this.name = name;

        // return true
        return true;
    }

    // get person height (cm)
    public int getHeight() {
        return height;
    }

    // set person height in cm, should be positive value
    public boolean setHeight(int height) {
        // if invalid argument
        if (height <= 0) {
            // no changes to person, return false
            return false;
        }

        // update person height and return true
        this.height = height;
        return true;
    }

    // get person weight (in kg)
    public double getWeight() {
        return weight;
    }

    // set person weight in kg, should be positive
    public boolean setWeight(double weight) {
        // if invalid argument
        if (weight <= 0) {
            // return false , no changes
            return false;
        }

        // update weight and return true
        this.weight = weight;
        return true;
    }

    @Override
    public String toString() {
        return String.format(
                "Person [name=%s, height=%d (cm), weight=%1f (kg)]", this.name,
                this.height, this.weight);
    }

}