Qu'est-ce que la construction en Java

import java.util.*;

class Examplec{
	public static void main(String[]args){
		Scanner input=new Scanner(System.in);
		
		Car c1=new Car();
		
		c1.setName("Rover");
		c1.setColor("black");
		c1.setPrice("450,000");
      
		System.out.println(c1.getName());
		System.out.println(c1.getColor());
		System.out.println(c1.getPrice()+"\n\n");
		//constructor
		Car c2=new Car("BMW","black","100,000,000");
		System.out.println();		
	}
}
class Car{
	private String name;
	private String color;
	private String price;
	//with parameters
	public Car(String name,String color,String price){
		this.name=name;
		this.color=color;
		this.price=price;
		System.out.println(name);
		System.out.println(color);
		System.out.println(price);
		}
public Car(){}
	public void setName(String name){
		this.name=name;
		}
	public void setColor(String color){
		this.color=color;
		}
	public void setPrice(String price){
		this.price=price;
		}
	public String getName(){
		return name;
		}
	public String getColor(){
		return color;
		}
	public String getPrice(){
		return price;
		}	
}
ishara sankalpa61