Linux.java

package org.example;

public class Linux {

    public String kernel;

    public String boot(){
        return  kernel;
    }
}

Main.java

package org.example;

public class Main {
    public static void main(String[] args) {
       // OS w = new OS("Windows 11",11.00,"64x");
        //OS w2 = new OS();

      Win w1 = new Win("Ubuntu",22.04,"x64");
       // w.Start();
    }
}

OS.java

package org.example;

public class OS {
    public String nom;
    public Double version;
    public String arch;
     public OS(String nom,Double version,String arch){
         this.nom = nom;
         this.version = version;
         this.arch = arch;
         System.out.println("Object Created Full Fro OS");
     }

    /* OS(){
         System.out.println("Object Created Empty");
     }*/
    public void Start() {
        System.out.println("Starting System");
    }

    public void Stop() {
        System.out.println("Stoping System");
    }
}

Win.java

package org.example;

public class Win extends OS{

    public String[] programs;

   // public Win(){
       // super();
   // }

    public Win(String nom,Double version,String arch){
                super(nom,version,arch);
                System.out.println("this is for Win");
            }
    public  void install(){
        System.out.println("Setup Office");
    }
}