========
Override
========

--------
Examples
--------

Java
====

.. code-block:: java

  public abstract class Shape {
    public void printMe() {
      System.out.println("I am a shape.");
    }
    public abstract double computeArea();
  }

  public class Circle extends Shape {
    private double rad = 5;
    public void printMe() {
      System.out.println("I am a circle.");
    }

    public double computeArea() {
      return rad * rad * 3.15;
    }
  }

  public class Ambiguous extends Shape {
    private double area = 10;
    public double computeArea() {
      return area;
    }
  }

  public class IntroductionOverriding {
    public static void main(String[] args) {
      Shape[] shapes = new Shape[2];
      Circle circle = new Circle();
      Ambiguous ambiguous = new Ambiguous();

      shapes[0] = circle;
      shapes[1] = ambiguous;

      for (Shape s : shapes) {
        s.printMe();
        System.out.println(s.computeArea());
      }
    }
  }