>>714

public class Unko
{
  private String name;
  private Unko maki;
  private Unko bichi;

  public Unko()         { maki = new Unko("まき"); bichi = new Unko("びち"); }
  public Unko(String name) { super(); this.name = name; }
  
  public static void main(String[] a)
  {
    Unko unko = new Unko();
    System.out.println(unko.getMaki());
    System.out.println(unko.getBichi());
    System.out.println(unko.getMaki().getMaki());
  }

  public Unko getBichi() { return bichi; }
  public Unko getMaki() { return maki; }
  public String getName() { return name; }
  public String toString() { return name; }
}