浅拷贝的实现

//浅拷贝的实现
//2004.9.2
using System;
class RefType {
 public String name;
 public Int32 age;
 public RefType(String name,Int32 age)
 {
  this.name = name;
  this.age = age;
 }
}
//类型MyType实现了ICloneable接口，可以被浅拷贝
class MyType : ICloneable {
 public RefType r; //引用类型字段
 public String name; //值类型字段
 public Int32 age; //值类型字段
 public MyType(String name,Int32 age) {
  this.name = name;
  this.age = age;
  r = new RefType(name,age);
 }
 public Object Clone() {
   return MemberwiseClone();
 }
}
//启动类
class App {
 static void Main() {
   MyType m1 = new MyType("张三",18);
   MyType m2 = (MyType)m1.Clone();
   Console.WriteLine(m2.name.ToString()+","+m2.age.ToString());
   Console.WriteLine(m2.r.name.ToString()+","+m2.r.age.ToString());
   m1.name = "李四";
   m1.age = 19;
   m1.r.name = "李四";
   m1.r.age = 19;
   Console.WriteLine(m2.name.ToString()+","+m2.age.ToString()); //值类型字段值没有改变
   Console.WriteLine(m2.r.name.ToString()+","+m2.r.age.ToString()); //引用类型字段值改变了
 }
}