public Product CostliestPro(Product[] i){
        float max=0;
        for(Product b:i)
        if(b.getPrice()>max)
        max=b.getPrice();
        for(Product:i)
            if(b.getPrice()==max)
        return b;
    }

public Product CostliestPro(Product[] i){
    float max=0;
    for(Product b:i){
        if(b.getPrice()>max){
            max=b.getPrice();
        }
    }
    for(Product b:i){
        if(b.getPrice()==max){
            return b;
        }
    }
    return null;
}

public Product CostliestPro(Product[] i){
    float max=0;
    Product maxProduct = null;
    for(Product b:i){
        if(b.getPrice()>max){
            max=b.getPrice();
            maxProduct = b;
        }
    }

    return maxProduct;
}