public class Surface {
    public float r,g,b,ka,kd,ks,nshiny;

    public Surface (float r, float g, float b,
                    float ka, float kd, float ks,
                    float nshiny)
    {
        this.r=r;
        this.g=g;
        this.b=b;
        this.ka=ka;
        this.kd=kd;
        this.ks=ks;
        this.nshiny=nshiny;
    }
}