public class Moyenne1 {
    private double moyenne;
    private double nbr_valeur;

    public Moyenne1(){
        this.moyenne = 0;
        this.nbr_valeur = 0;
    }

    public void add(byte val){
        this.moyenne+= (double)val;
        this.nbr_valeur+=1;
    }

    public void add(short val){
        this.moyenne+= (double)val;
        this.nbr_valeur+=1;
    }

    public void add(int val){
        this.moyenne+= (double)val;
        this.nbr_valeur+=1;
    }

    public void add(long val){
        this.moyenne+= (double)val;
        this.nbr_valeur+=1;
    }

    public void add(float val){
        this.moyenne+= (double)val;
        this.nbr_valeur+=1;
    }

    public void add(double val){
        this.moyenne+= val;
        this.nbr_valeur+=1;
    }

    public double getAverage(){
        return this.moyenne/this.nbr_valeur;
    }
}