static void Main(string[] args)
{
//Class1 c = new Class1();//声明类库里的对象，然后调用他的public 变量和方法
//c.x = 10;
//c.Show();
//Console.WriteLine(c.x);
//object1 o1 = new object1();
//object1 o2 = new object1();
//Console.WriteLine(o1 == o2);//是否引用相同对象
//Console.WriteLine(o1.Equals(o2));//字段值是否一样
////***string为引用类型
//string str1 = "hello";
//string str2 = "hello";
//Console.WriteLine(str1 == str2);//经过了==的重写，与equals相同
//Console.WriteLine(str1.Equals(str2));//判断字符串是否一样
/*只读类测试*/
//Myreadonly o1 = new Myreadonly();
//Myreadonly o2 = o1.add(1);
//Console.WriteLine(o1 == o2);
//o1.print();
//o2.print();
Console.WriteLine(Staticclass.staticstring()); //用类名调用
}
//静态方法
public static void fd()
{
Staticclass s = new Staticclass(); //静态方法访问实例变量要实例化对象
s.d++;
s.add();
}