Program: Constructor Overloading
class Box
{
double width;
double height;
double depth;
// constructor used when all dimensions specified
Box(double w, double h, double d)
{
width = w;
height = h;
depth = d;
}
// constructor used when no dimensions specified
Box()
{
width = -1;
height = -1;
depth = -1;
}
// constructor used when cube is created
Box(double len)
{
width = height = depth = len;
}
// compute and return volume
double volume()
{
return width * height * depth;
}
}
class OverloadCons
{
public static void main(String args[])
{
// create boxes using the various constructors
Box mybox1 = new Box(10, 20, 15);
Box mybox2 = new Box();
Box mycube = new Box(7);
double vol;
// get volume of first box
vol = mybox1.volume();
System.out.println("Volume of mybox1 is " + vol); // get volume of second box
vol = mybox2.volume();
System.out.println("Volume of mybox2 is " + vol); // get volume of cube
vol = mycube.volume();
System.out.println("Volume of mycube is " + vol); }
}
