C# 语法四 修饰符

1.sealed 不能派生

2.internal 仅仅在本项目中被访问

3.public 整个系统

4.private 本类访问

5.protected 本类、派生类访问

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ClassLibrary1
{
    public class Class3
    {
        private int _age;
        protected string Name;
        public string Tel;
    }

    internal class Class33
    {
        private int _age;
        protected string Name;
        public string Tel;
    }

    sealed class Class333
    {
        private int _age;
        protected string Name;
        public string Tel;
    }

    abstract class Class3333
    {
        private int _age;
        protected string Name;
        public string Tel;
    }

    static class Class33333
    {
        private int _age;
        protected string Name;
        public string Tel;
    }
}