Java code:

package no.dynamic;
public class Allocation {
  public static void main(String[] args) {
    int a = Complex.create(1, 0);
    int b = Complex.create(0, 1);
    int c = Complex.add(a, b);
    System.out.print("Result is ");
    System.out.print(Complex.getReal(c));
    System.out.print(",");
    System.out.println(Complex.getImag(c));
  }

  static class Complex {
    static int create(int real, int imag) {
      int thiz = allocate(2);
      setReal(thiz, real);
      setImag(thiz, imag);
      return thiz;
    }

    private static void setReal(int thiz, int real) { set(thiz, 0, real); }
    private static void setImag(int thiz, int imag) { set(thiz, 1, imag); }
    static int getReal(int thiz) { return get(thiz, 0); }
    static int getImag(int thiz) { return get(thiz, 1); }

    static int add(int thiz, int that) {
      return create(getReal(thiz) + getReal(that), getImag(thiz) + getImag(that));
    }
  }

  public static int get(int thiz, int index) { return ints[objects[thiz] + index]; }
  public static void set(int thiz, int index, int value) { ints[objects[thiz] + index] = value; }

  public static int allocate(int amount) {
    objects[objectsOffset] = intsOffset;
    intsOffset += amount;
    return objectsOffset++;
  }

  private static int[] objects = new int[1000];
  private static int[] ints = new int[10000];
  private static int objectsOffset;
  private static int intsOffset;
}