연료 주입
요구사항
상속을 이용한 문제 풀이
package abstract_rentcar;
public abstract class AbstractRentCar {
private final int distance;
public AbstractRentCar(int distance) {
this.distance = distance;
}
public abstract int getFuelEfficiency();
public abstract String getCarName();
public String getRentCarInfo() {
return getCarName() + " : " + getRequiredRemainingFuel() + "리터";
}
public int getRequiredRemainingFuel() {
return distance / getFuelEfficiency();
}
}인터페이스를 이용한 문제 풀이
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