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public class Araba {
        public String renk;
        public String marka;
        public int fiyat;
        
        public void kornaCal() {
            System.out.println("Beep beep");
        }
        
}
--------------------------------

public class Main {
    public static void main(String[] args) {
        Araba araba = new Araba();
        
        araba.marka = "Mercedes";
        araba.fiyat = 350000;
        araba.renk = "Mavi";
        
        araba.kornaCal();
        
    }
}