// SeaLion.java [static]
import java.util.*;
public class SeaLion
 extends Mammal
 implements Walker,Jumper,Swimmer
{
  // for Walker
  public void Prepare() { trace( "SeaLion.Prepare()" ); }
  public int  NumberOfFeet() { trace( "SeaLion.NumberOfFeet()" ); return 2; }
  public void MoveFoot(int feetno) { trace( "SeaLion.MoveFoot()" ); }
  public void Stabilize() { trace( "SeaLion.Stabilize()" ); }
  public void AtEase() { trace( "SeaLion.AtEase()" ); }

  // for Swimmer
  public void JumpInTheWater() { trace( "SeaLion.JumpInTheWater()" ); }
  public void Submerge() { trace( "SeaLion.Submerge()");  }
  public void MoveFin() { trace( "SeaLion.MoveFin()");  }
  public void Rise() { trace( "SeaLion.Rise()"); }
  public void JumpOutOfTheWater() { trace( "SeaLion.JumpOutOfTheWater()"); }

  // for Jumper
  public boolean CheckDistance(int x, int y) {
    trace( "SeaLion.CheckDistance()" );
    return true;
  }
  public void SprintTo(int x, int y) { trace( "SeaLion.SprintTo()" ); }
  public void LiftOff(int alt) { trace( "SeaLion.LiftOff()" ); }
  public void Land() { trace( "SeaLion.Land()" ); }
  // ============== for Swimmer
  Swimmer$Ego $swimmer = new Swimmer$Ego();
  public void Swim(int miles, int depth) {
    $swimmer.Swim(this, miles, depth);
  }
  // ============== for Walker
  Walker$Ego $walker = new Walker$Ego();
  public void Walk(int distance) {
    $walker.Walk(this, distance);
  }
  // ============== for Jumper
  Jumper$Ego $jumper = new Jumper$Ego();
  public void Jump(int x, int y, int alt) {
    $jumper.Jump(this, x, y, alt);
  }
}