package jinjieti;

import jichuti.Square;

/**
 * 可缩放的正方形（实现Shape和Resizable）
 */
public class ResizableSquare extends Square implements Resizable {
    public ResizableSquare(String color, double side) {
        super(color, side);
    }

    @Override
    public void resize(double factor) {
        if (factor <= 0) {
            throw new IllegalArgumentException("缩放因子必须为正数");
        }
        setSide(getSide() * factor);  // 调整边长
    }
}