package class3_1_TrainCar;

import java.awt.*;

public class Tanker extends TrainCar {

    private double level;
    private double radius;
    private double length;

    public double getWeight() {
        return Math.PI + radius * radius * length;
    }

    public void fill(double level) {
        this.level = level;
        if(this.level > 1) {
            paintColor = Color.BLUE;
        }
    }
}