Override toString() for Box class. : toString « Class Definition « Java Tutorial

1. Java Tutorial
2. Class Definition
3. toString

class Box {
  double width;

  double height;

  double depth;

  Box(double w, double h, double d) {
    width = w;
    height = h;
    depth = d;
  }

  public String toString() {
    return "Dimensions are " + width + " by " + depth + " by " + height + ".";
  }
}

class toStringDemo {
  public static void main(String args[]) {
    Box b = new Box(10, 12, 14);
    String s = "Box b: " + b; // concatenate Box object

    System.out.println(b); // convert Box to string
    System.out.println(s);
  }
}