public class StaticFunctions {                               public static double cubeVolume(double h){                        double cubeVolume;                        cubeVolume = Math.pow(h, 3);                        return cubeVolume;                }                               public static double cubeSurface(double h){                        double cubeSurface;                        cubeSurface = 6 * (Math.pow(h, 2));                        return cubeSurface;                }                               public static double sphereVolume(double r){                        double sphereVolume;                        sphereVolume = (4/3) * Math.PI * Math.pow(r, 3);                        return sphereVolume;                }                               public static double sphereSurface(double r){                        double sphereSurface;                        sphereSurface = 4 * Math.PI * Math.pow(r, 2);                        return sphereSurface;                }                               public static double cylinderVolume(double r, double h){                        double cylinderVolume;                        double circleArea;                        circleArea = Math.PI * Math.pow(r, 2);                        cylinderVolume = circleArea * h;                        return cylinderVolume;                                       }                public static double cylinderSurface(double r, double h){                        double cylinderSurface;                        cylinderSurface = (2 * Math.PI * r * h) + (2 * Math.PI * Math.pow(r, 2));                                      return cylinderSurface;                }                public static double coneVolume(double r, double h){                        double coneVolume;                        coneVolume = (1/3) * Math.PI * Math.pow(r,2) * h;                        return coneVolume;                }                public static double coneSurface(double r, double h){                        double coneSurface;                        double pyThag;                        pyThag = Math.pow(r, 2) + Math.pow(h, 2);                        coneSurface = (Math.PI * r) * (r + Math.pow(pyThag, .5));                        return coneSurface;                }                                                     }