Miscellany

abstract class Being {	int life, energy, attack, defense;		Being() {		this.life = 10;		this.energy = 10;	}		Being(int life) {		this.life = life;		this.energy = 10;	}		public abstract int attack(Being b);}class Human extends Being {	public int attack(Being b) {		int dmg = attack - b.defense;				dmg = (dmg < 0) ? 0 : dmg;			b.life = life - dmg;				return dmg;	}}class Game {	public static void main(String[] args) {		Human tom = new Human();		Human stan = new Human();				tom.attack = 3;		tom.defense = 3;				stan.attack = 5;		stan.defense = 5;				System.out.printf("tom life: %s\n", tom.life);		System.out.printf("stan life: %s\n", stan.life);				System.out.printf("tom attacks stan for %s damage!\n", tom.attack(stan));				System.out.printf("tom life: %s\n", tom.life);		System.out.printf("stan life: %s\n", stan.life);				System.out.printf("stan attacks tom for %s damage!\n", stan.attack(tom));				System.out.printf("tom life: %s\n", tom.life);		System.out.printf("stan life: %s\n", stan.life);	}}