package CarSalesman;

public class Engine {
    private String model;
    private int power;
    private int displacement;
    private String efficiency;

    public Engine(String model, int power) {
        this.model = model;
        this.power = power;
        this.displacement = 0;
        this.efficiency = "n/a";
    }

    public Engine(String model, int power, int displacement) {
        this(model, power);
        this.displacement = displacement;
    }

    public Engine(String model, int power, String efficiency) {
        this(model, power);
        this.efficiency = efficiency;
    }

    public Engine(String model, int power, int displacement, String efficiency) {
        this(model, power, efficiency);
     this.displacement=displacement;

    }

    public String setDisplacement() {
        String a = "";
        if (displacement == 0) {
            a = "n/a";

        }
        return a;
    }

    public String getModel() {
        return this.model;
    }
    public int getPower(){
        return this.power;
    }
    public String getEfficiency(){
        return this.efficiency;
    }
    public String printed(){
        if(this.displacement==0){
            return String.format("n/a");
        }
        return String.format("%d",this.displacement);}
}