Implementation of shortest copy

// Implementation of shortest copy
// 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;
}
}
// Type mytype implements the icloneable interface and can be copied in a shortest.
Class mytype: icloneable {
Public reftype R; // reference type field
Public string name; // Value Type field
Public int32 age; // Value Type field
Public mytype (string name, int32 age ){
This. Name = Name;
This. Age = age;
R = new reftype (name, age );
}
Public object clone (){
Return memberwiseclone ();
}
}
// Startup class
Class app {
Static void main (){
Mytype M1 = new mytype ("Zhang San", 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 = "Li Si ";
M1.age = 19;
M1.r. Name = "Li Si ";
M1.r. Age = 19;
Console. writeline (m2.name. tostring () + "," + m2.age. tostring (); // The value of the Value Type field is not changed.
Console. writeline (m2.r. Name. tostring () + "," + m2.r. Age. tostring (); // The value of the reference type field has changed
}
}