JavaAttack.java

public void attack(Target target) {
    attack(target, new Fist());
}

public void attack(Target target, Weapon weapon) {
    attack(target, weapon, 0.1f);
}

public void attack(Target target, Weapon weapon, float critical) {
    //...
}

Target target = getCurrentTarget();
attack(target);
attack(target, new Sword());
attack(target, new Bow(), 0.5f);
attack(target, new Fist(), 0.9f);