validateweight.cs

vc的原码例子12 vc的原码例子12

using System;

class Package
{
	public Package(int Weight)
	{
		setValue(Weight);
	}

	public void setValue(int Weight)
	{
		if ((Weight >= 25) && (Weight <= 50)) 
			this.Weight = Weight;
		else
			this.Weight = -1;
	}

	public void showPackage()
	{
		Console.WriteLine("Weight: {0}", Weight);
	}
  
	public int Weight;
}


class clsValidateWeight
{
	public static void Main ()
	{
		Package Box = new Package(50);
		Package Envelope = new Package(35);
		Package Crate = new Package(500);

		Box.showPackage();
		Envelope.showPackage();
		Crate.showPackage();
	}
}