Code examples from object-oriented programming languages.

C++ from Stroustrup (2014):

class Date {
public:
    Date(int yy, int mm, int dd)
      : y{yy}, m{mm}, d{dd} {}

    void add_day(int n) {
        // ...
    }

    int month() { return m; }

private:
    int y, m, d;
};