java example with getters and setters, also uses the date and scanner utils, scanner util is like gets in ruby

Car.java

import java.util.Date;

public class Car {
    private String brand;
    private String colour;
    private int wheels;
    private Date date = new Date();

   public Car(String brand, String colour) {
       this.brand = brand;
       this.colour = colour;
       this.wheels = 4;
       this.date = date; 
   }

    public String getBrand() {
        return brand;
    }

    public int getWheels() {
        return wheels;
    }

    public Date getDate() {
        return date;
    }

    public void setWheels(int wheels) {
        this.wheels = wheels;
    }
}

Main.java

import java.util.Scanner;

public class Main {
    public static void main(String []args) {
        Car holden = new Car("holden", "red");
        System.out.println(holden.getBrand() + " | " + holden.getWheels());
        Scanner sc = new Scanner(System.in);
        System.out.println("How many wheels does your car have?");
        System.out.print("> ");
        int i = sc.nextInt();
        holden.setWheels(i);
        System.out.println(holden.getBrand() + " | " + holden.getWheels() + " | " + holden.getDate());
    }
}