Clovek

class Clovek {
        
    private static int counter = 0;
    
    private String name;
    private int age;
    
    
    Clovek(String name, int age) {
        this.name = name;
        this.age  = age;
        
        Clovek.counter += 1;
    }
    
    public static int getCounter() {
        return Clovek.counter;
    }
    
    public String getName() {
        return this.name;
    }
    
    public int getAge() {
        return this.age;
    }
    
    public void whoami() {
        System.out.println("Hello, my name is " + this.name + ". I am " + this.age + " years old.");
    }
}


class Main {
    
    
    public static void main(String[] args) {
        
        Clovek dan = new Clovek("Daniel", 31);
        dan.whoami();
        System.out.println("People counter: " + Clovek.getCounter());
    }
}