iande

public class Triangle {
  public int width;
  public int height;
}

public class Rectangle {
  public int width;
  public int height;
}

iande

import java.util.ArrayList;

public class Main {
  public static void main(String[] args) {
    ArrayList<Integer> myList = new ArrayList<Integer>();

    myList.add(new Integer(10));
    myList.add(new Integer(11));
    myList.add(new Integer(12));

iande

public class Box<T> {
  private T whatsInTheBox;

  // Creates a new box that holds nothing of value
  public Box() { this(null); }

  // Creates a new box that holds the given T instance.
  public Box(T store) {
    this.set(store);
  }

iande

// The bounded type parameter dictates the kinds of Box instances we can create.
public class NumberBox<T extends Number> {
  private T _number;

  public NumberBox() { this(null); }
  public NumberBox(T toStore) {
    set(toStore);
  }

  public T get() { return _number; }

iande

Keybase proof

I hereby claim:

• I am iande on github.
• I am iande (https://keybase.io/iande) on keybase.
• I have a public key ASAAZLXxLfI56JPzKX02tjCdOJwekL22WGsEiHzJyTU1LQo

To claim this, I am signing this object: