<Switch
    android:id = "@+id/switch1"
    android:layout_width = "wrap_content"
    android:layout_height = "wrap_content"
    android:background = "#00ffff"
    android:text = "Switch"
    tools:layout_editor_absoluteX = "176dp"
    tools:layout_editor_absoluteY = "389dp" />

<StackLayout Orientation="Vertical">
  <Label Text="Fotograf" />
  <Image Source="obraz.jpg" Aspect="AspectFill" />
  <StackLayout Orientation="Horizontal">
    <Button Text="Like" />
    <Button Text="Share" />
  </StackLayout>
  <Label Text="Fotka z moich wakacji" />
</StackLayout>

books = ["Harry Potter", "Hobbit", "Władca pierścieni"];

<ul>
    <li *ngFor = "let book of books"> {{book}} </li>
</ul>

<ul>
    {this.books.map(book => <li key={book}> book </li>)}
</ul>

let i = 0;
while (i < 5) {
  i++;
  if (i === 3) continue;
  console.log(i);
}

vector <int> liczby;
for(int i=0; i<10; i++) {
    liczby.push_back(2*i);
}

class KlasaBazowa {
    public:
        virtual void metoda() {
            cout << "Bazowa. ";
        }
};

class KlasaPochodna : public KlasaBazowa {
    public:
        void metoda() {
            cout << "Pochodna. ";
        }
};

int main() {
    KlasaBazowa *bazowa = new KlasaPochodna();
    KlasaPochodna *pochodna = new KlasaPochodna();

    bazowa->metoda();
    pochodna->metoda();
    return 0;
}

int zm1;
float zm2;
char zm3;
boolean zm4;

private int p1;
private short p2;
public string p3;
protected string p4;
protected float p5;

<h2>{2+2}</h2>

<h2>{{2+2}}</h2>