建造者模式

建造者模式的本质：

-分离了对象子组件的的单独构造（由Builder来负责）和装配（由Director负责）。从而可以构造出复杂的对象。这个模式适用于：某个对象的构建过程复杂的情况下使用。

-由于事先了构建和装配的解耦。不同的构建器，相同的装配，也可以做出不同的对象；相同的构建器，不同的装配顺序也可以做出不同的对象。也就是实现了构建算法，装配算法的解耦。实现了更好的复用

代码说明：

package myGirlFriend;public class GirlFriend {private String name;private int age;private String Bust;private String leg;public GirlFriend(String name, int age, String bust, String leg) {super();this.name = name;this.age = age;Bust = bust;this.leg = leg;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getBust() {return Bust;}public void setBust(String bust) {Bust = bust;}public String getLeg() {return leg;}public void setLeg(String leg) {this.leg = leg;}public GirlFriend() {super();}}

package myGirlFriend;public interface GirFriendInterface {String name();int age();String Bust();String leg();}

package myGirlFriend;public interface Director {GirlFriend directGirFriend();}

package myGirlFriend;public class GirFriendDirector implements Director{private GirFriendBulider girl;public GirFriendDirector(GirFriendBulider girl) {super();this.girl = girl;}@Overridepublic GirlFriend directGirFriend() {GirlFriend gf = new GirlFriend("杨幂", 18, "36D", "修长的美腿");return gf;}}

package myGirlFriend;public class GirFriendBulider implements GirFriendInterface {@Overridepublic String name() {// TODO Auto-generated method stubreturn name();}@Overridepublic int age() {// TODO Auto-generated method stubreturn age();}@Overridepublic String Bust() {// TODO Auto-generated method stubreturn Bust();}@Overridepublic String leg() {// TODO Auto-generated method stubreturn leg();}}

package myGirlFriend;import java.util.Scanner;public class myGirlFriend {public static void main(String[] args) throws InterruptedException {GirFriendDirector gd= new GirFriendDirector(new GirFriendBulider());GirlFriend gf =gd.directGirFriend();System.out.println("您的女朋友名字："+gf.getName());Thread.sleep(1000);System.out.println("年龄："+gf.getAge());Thread.sleep(1000);System.out.println("胸围:"+gf.getBust());Thread.sleep(1000);System.out.println("拥有一条"+gf.getLeg());Scanner sc =new Scanner(System.in);Thread.sleep(1000);System.out.println("请问您对这个女朋友满意不?");String  nn =sc.nextLine();if(nn.equals("不满意")) {System.out.println("一个屌丝");}else if(nn.equals("满意")){System.out.println(gf.getName()+"今晚就陪你睡觉");}else {System.out.println("对不起，识别不成功，只能输入不满意或满意");}}}