abstract class Team
    {
        public abstract void G();//抽象类中的抽象方法；仅含有声明没有方法体；且以；分号结束
        //测试多重继随权限访问符的意义及作用和区别
        public int x;
        protected int y;
        private int z;

    }

    class Team1 : Team
    {
        public override void G()
        {
            Console.WriteLine("implement g method");
        }
        private int tx;
        public int TX
        {
            get
            {
                return tx;
                
            }

            set
            {
                this.tx = value;
            }
        }
        //在子类中只能访问父类成员权限访问符为public和protected的成员,private是不可访问的，仅在本类中可以访问
        public void SetValue(int sx)
        {
            base.x = sx;
            tx = base.x;
           
           
        }
       
    }