class Program
{
static void Main(string[] args)
{
int[] arr = new int[] { 2, 4, 56, 7 };
// Console.WriteLine(arr[1]);//index 索引器
HeroClass hero = new HeroClass();
hero[0] = "黑暗战神";
//Console.WriteLine(hero[0]);
string[] str = new string[] { "光明小怪", "非人类", "白混蓝" };
for (int i = 0; i < str.Length; i++)
{
hero[i] = str[i];
//Console.Write(hero[i] + " ");
}
Console.WriteLine("怪物名字:{0}，性别:{1}，肤色:{2}", hero[0], hero[1], hero[2]);
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
if(j==1){
Console.WriteLine("aaa");
break;
}
if (j == 1)
{
continue;
Console.WriteLine("bbb");
}
if (j == 1)
{
Console.WriteLine("bbb");
return;
}
}
}
//-----------
//GC.Collect();//非特殊情况不可调用
// Rectangle rec = new Rectangle(2,5);
//rec.GetMianJi();
//结构实例化 值引用
A m = new A(3);
A n = m;
m.x = 10;
Console.WriteLine(n.x);
Console.WriteLine(m.x);
//类实例化//引用类以最后一次值为准 引用类会改变它的初始值
B m1 = new B(30);
B n1 = m1;
m1.y = 100;//m1把有改变了，n1也跟着改变
Console.WriteLine(n1.y);
Console.WriteLine(m1.y);
Console.ReadKey();
}
}
struct A
{
public int x;
public A(int _x)
{
this.x = _x;
Console.WriteLine("x={0}", x);
}
}
class B
{
public int y;
public B(int _y)
{
this.y = _y;
Console.WriteLine("y={0}", this.y);
}
}
class HeroClass
{
private string name;//0
private string sex;//1
private string fuse;//2
private int age;
public string this[int index]
{
set
{
switch (index)
{
case 0:
this.name = value;
break;
case 1:
this.sex = value;
break;
case 2:
this.fuse = value;
break;
default:
Console.WriteLine("超出范围");
break;
}
}
get
{
string a = "";
//switch (index)
//{
// case 0:
// a= this.name;
// break;
// case 1:
// a = this.sex;
// break;
// case 2:
// a = this.fuse;
// break;
// default:
// a= "超出范围";
// break;
//}
//return a;
switch (index)
{
case 0:
a = this.name;
break;
case 1:
a = this.sex;
break;
case 2:
a = this.fuse;
break;
default:
a = "超出范围";
break;
}
return a;
}
}
}
struct Rectangle //结构函数
{
private int chang;//结构函数不能设置值；普通类的可以；
private int kuan;
public int Kuan
{
get { return kuan; }
set { kuan = value; }
}
public int Chang
{ //属性
set { this.chang = value; }
get { return this.chang; }
}
public Rectangle(int _chang, int _kuan)
{//必须带参的构造函数。实例化时可不带参
this.chang = _chang;
this.kuan = _kuan;
}
public void GetMianJi()
{
Console.WriteLine("面积：" + this.chang * this.kuan);
}
}
