mulinher.java

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interface CanFight
{
  void fight();
}
interface CanSwim
{
  void swim();
}
interface CanFly
{
  void fly();
}
interface ActionList extends CanFight,CanSwim,CanFly
{
}
abstract class Human implements ActionList
{
  public void swim(){}
  public void fly(){}
}
class Hero implements ActionList
{
  public void fight(){}
  public void swim(){}
  public void fly(){}
}