java coding for solution

ThreeDShape is an abstract class that models a 3D shape with the following methods: int volume(): measures the volume of the 3D Shape int perimeter(): measures the perimeter of the 3D Shape A Cube is class that extends ThreeDShape and it has a side of type int. The constructor of Cube takes a variable to initialize the side. The volume of a cube is equal to side3 and the perimeter is equal to 12*side. Cube class also overrides toString() to display a message showing the permiter and volume of the cube. Write the code for the ThreeDShape class and for the Cube Class (there is no need for the main method).