garbagegenerations.cs

vc的原码例子12 vc的原码例子12

using System;

class clsGarbageGenerations
{
	static void Main()
	{
		Console.WriteLine("Max Generations system supports {0}",
			GC.MaxGeneration);

		byte [] FirstArray = new byte[1000000];
		Console.WriteLine("FirstArray is genereation {0}", 
			GC.GetGeneration(FirstArray));
		Console.WriteLine("Heap allocated {0}", GC.GetTotalMemory(true));

		double [] SecondArray = new double[1000000];
		Console.WriteLine("\nFirstArray is genereation {0}", 
			GC.GetGeneration(FirstArray));
		Console.WriteLine("SecondArray is genereation {0}", 
			GC.GetGeneration(SecondArray));
		Console.WriteLine("Heap allocated {0}", GC.GetTotalMemory(true));

		byte [] ThirdArray = new byte[1];
                Console.WriteLine("\nFirstArray is generation {0}", 
			GC.GetGeneration(FirstArray));
                Console.WriteLine("SecondArray is generation {0}", 
			GC.GetGeneration(SecondArray));
                Console.WriteLine("ThirdArray is generation {0}", 
			GC.GetGeneration(ThirdArray));
		Console.WriteLine("Heap allocated {0}", GC.GetTotalMemory(true));

		double [] FourthArray = new double[1];
                Console.WriteLine("\nFirstArray is generation {0}", 
			GC.GetGeneration(FirstArray));
                Console.WriteLine("SecondArray is generation {0}", 
			GC.GetGeneration(SecondArray));
                Console.WriteLine("ThirdArray is generation {0}", 
			GC.GetGeneration(ThirdArray));
                Console.WriteLine("FourthArray is generation {0}", 
			GC.GetGeneration(FourthArray));
		Console.WriteLine("Heap allocated {0}", GC.GetTotalMemory(true));
	}
}