Java23种设计模式代码实例(可运行)

package memento; //游戏角色 public class PlayRole { //生命力 private int vitality; //进攻 private int aggressivity; //防御 private int defencivity; public PlayRole(int vitality, int aggressivity, int defencivity) { this.vitality = vitality; this.aggressivity = aggressivity; this.defencivity = defencivity; } public PlayRole() { } public int getVitality() { return vitality; } public void setVitality(int vitality) { this.vitality = vitality; } public int getAggressivity() { return aggressivity; } public void setAggressivity(int aggressivity) { this.aggressivity = aggressivity; } public int getDefencivity() { return defencivity; } public void setDefencivity(int defencivity) { this.defencivity = defencivity; } public RoleMemento createMemento() { RoleMemento memento = new RoleMemento(); memento.setAggressivity(aggressivity); memento.setDefencivity(defencivity); memento.setVitality(vitality); return memento; } public void setMemento(RoleMemento memento) { this.aggressivity = memento.getAggressivity(); this.defencivity = memento.getDefencivity(); this.vitality = memento.getVitality(); } public void showState() { System.out.println("攻击力：" + this.aggressivity + "|防御力：" + this.defencivity + "|生命力：" + this.vitality); } }