Calling a Constructor From a Constructor : Constructor « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. Constructor

class Sphere {
  int radius = 0;

  double xCenter;

  double yCenter;

  double zCenter;

  Sphere() {
    radius = 1;
  }

  Sphere(double x, double y, double z) {
    this();
    xCenter = x;
    yCenter = y;
    zCenter = z;
  }

  Sphere(int theRadius, double x, double y, double z) {
    this(x, y, z);
    radius = theRadius;
  }
}