zyip

摘要： 1.观察两个类classA{protectedinti=0;publicA(){i=1;}publicvoidP(){System.Console.WriteLine("P:"+i.ToString());}publicvirtualvoidVP(){System.Console.WriteLine("VPinA:"+i.ToString());}}classB:A{publicB(){i=2;} public B(int i)// public B(int i) = public B(int i):base(){//this.i=i;//keepthi 阅读全文