Objekt Orientierung: Auto mit Modell und Sitzanzahl

//Main
package com.company;
public class Main {
public static void main(String[] args) {
//Creating Objects
//New is used to allocate memory in the system
//Values are being assigned
Car ferrari;
ferrari = new Car();
ferrari.model = "Ferrari F430";
ferrari.seats = 4;
ferrari.color = "Red";
ferrari.display();
//Car is being used like a datatype
Car tesla = new Car();
tesla.model = "Model S";
tesla.seats = 4;
tesla.color = "Black";
tesla.display();
Car audi = new Car();
audi.model = "Audi SQ5";
audi.color = "Blue";
audi.seats = 4;
audi.display();
//Object declaration and memory allocation
Car test; //no memory allocated yet, if you use it right now, it will print out an error
test = new Car(); //memory allocated and assigned to test
//With "new": a reference will be created, actual memory will be allocated with all the variables inside the object
}
}
//Car
package com.company;
public class Car {
//Eigenschaften
public String model;
public String color;
public int seats;
//Blueprint
public void display(){
System.out.println("Model is : " + model);
System.out.println("Color is : " + color);
System.out.println("Seats is : " + seats);
}
}