Develop a Java program which, given the width, length and depth (in metres), of a swimming pool, determines and outputs: (a) the volume in litres, and (b) the time in hours to fill the swimming pool. Assume the rate of flow into the pool is 2.5 litres per second. Note: 1 litre = 1000 cubic centimetres, therefore 10 litres = 0.01 cubic metre, hence 1 cubic metre = 1000 litres