Visitor pattern - visitor

Benefit.java

interface Benefit {
	public void getBenefit(RedLabelMd redLabel);

	public void getBenefit(GreenLabelMd greenLabel);
}

class DiscountBenefit implements Benefit {
	@Override
	public void getBenefit(RedLabelMd redLabel) {
		System.out.println("Apply Discount 50%");
	}

	@Override
	public void getBenefit(GreenLabelMd greenLabel) {
		System.out.println("Apply Discount 10%");
	}
}

class PointBenefit implements Benefit {
	@Override
	public void getBenefit(RedLabelMd redLabel) {
		System.out.println("Add Point 1%");
	}

	@Override
	public void getBenefit(GreenLabelMd greenLabel) {
		System.out.println("Add Point 5%");
	}
}