Implement Strategy

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Implement Strategy

Implement Strategy

Implement Strategy

Goal:
define CashContext
client use new CashContext(new class)

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class CashContext 
{
	private CashSuper cs;
	
	public CashContext(CashSuper csuper)
	{
		this.cs = csuper;
	}
	
	public double GetResult(double money)
	{
		return cs.acceptCash(money);
	}
}

static void Main(string[] args)
{
	CashContext cc = null;
	switch (args[0]) {
		case "Normal":
			cc = new CashContext(new CashNormal());
			break;
		case "Return":
			cc = new CashContext(new CashReturn("300", "100"));
			break;
		case "Rebate":
			cc = new CashContext(new CashRebate("0.8"));
			break;
	}
	double totalPrice = cc.GetResult(100 * 100);
}