public static void Main(string[] args)
{
// "Interfaces"
Some s = new Some ();
s.DoInform ();
Some2 s2 = new Some2 ();
s2.DoInform ();
// another example of interface
Console.WriteLine ();
CellPhone c = new CellPhone ();
c.SwitchOn ();
c.SwitchOff ();
c.example ();
c.example2 ();
c.example3 ();
c.VolumeUp ();
c.VolumeDown ();
c.PlugIn ();
c.PlugOff ();
// another example2 of interface
Console.WriteLine ();
DBConnect d = new DBConnect ();
d.DoInform ();
d.GetVersion ();
d.Dolog ();
d.Connect ();
/* So the conclusion of this materi is interface
* has the same function like implement in Java
* */
// "Polymorphism"
Shape[] shapes = {new Square (5),new Rectangle (9, 4),new Square (12)};
//item should be as Square type because it's an array of object
foreach (Shape item in shapes) {
Console.WriteLine (item.Area ());
}
// Sealed classes
// Derived dm = new Derived ();
// d.GetType ();
//
// "DEEP COPY VS SHALLOW COPY"
/* Mengingat kembali pelajaran passing by value dan by reference
* dimana jika menggunakan passing by value data asli tidak akan berubah
* sedangkan jika menggunakan passing by reference maka data asli akan berubah
*
* Pointer: variabel bertipe int32(integer 32 bit direpresentasikan
* dalam 8 digit heksadesimal) yang bersi/menyimpan alamat di memory*/
Console.WriteLine ("\nthis is the example of shallow copy");
Color col=new Color(23,42,223);
MyObject obj1=new MyObject(123,"small",col);
MyObject obj2=(MyObject)obj1.Clone();
obj2.id+=1;
obj2.size="big";
obj2.col.red=255;
Console.WriteLine (obj1);
Console.WriteLine (obj2);
// We can see that the ids are different (23 vs 24).
// The size is different ("small" vs "big").
// But the red part of the color object is same
// for both instances (255). Changing member values
// of the cloned object (id, size)
// did not affect the original object.
// Changing members of the referenced object (col)
// has affected the original object too.
// In other words, both objects refer to
// the same color object in memory.
// To change this behaviour, we will do a deep copy next.
Console.WriteLine ("\nthis is example of deep copy");
Color2 col2=new Color2(23,42,223);
MyObject2 obj1_2=new MyObject2(123,"small",col2);
MyObject2 obj2_2=(MyObject2)obj1_2.Clone();
obj2_2.id+=1;
obj2_2.size="BIG";
obj2_2.col.red=255;
Console.WriteLine (obj1_2);
Console.WriteLine (obj2_2);
}
public MyObject2(int id, string size, Color2 col)
{
this.id=id;
this.size=size;
this.col=col;
}
