// Here we define a basic component of a space ship

// Any part that implements the interface ESWeapon

// can replace that part in any ship

public class ESUFOBossGun implements ESWeapon{

// EnemyShip contains a reference to the object

// ESWeapon. It is stored in the field weapon

// The Strategy design pattern is being used here

// When the field that is of type ESUFOGun is printed

// the following shows on the screen

public String toString(){

return "40 damage";

}

}