详解java创建一个女朋友类（对象啥的new一个就是）==建造者模式，一键重写

package nuoyanli;
 
/**
 * Created by ${nuoyanli} on 2019/4/7.
 */
 
public class GirlFriend {
  private String sex;//性别
  private int age;//年龄
  private int stature;//身高
  private int weight;//体重
  private String type;//类型

public GirlFriend(String sex) {
    this.sex = sex;
  }

 GirlFriend girlFriend = new GirlFriend("女");

 public GirlFriend(String sex, int stature) {
    this.sex = sex;
    this.stature = stature;
  }

GirlFriend girlFriend = new GirlFriend("女",19,170,90,"声优");

package nuoyanli;
 
/**
 * Created by ${nuoyanli} on 2019/4/7.
 */
 
public class GirlFriendBuilder {
   String sex;//性别
   int age;//年龄
   int stature;//身高
   int weight;//体重
   String type;//类型
 
  public GirlFriendBuilder setSex(String sex) {
    this.sex = sex;
    return this;
  }
 
  public GirlFriendBuilder setAge(int age) {
    this.age = age;
    return this;
  }
 
  public GirlFriendBuilder setStature(int stature) {
    this.stature = stature;
    return this;
  }
 
  public GirlFriendBuilder setWeight(int weight) {
    this.weight = weight;
    return this;
  }
 
  public GirlFriendBuilder setType(String type) {
    this.type = type;
    return this;
  }
 
  /**
   *返回一个GirlFriend对象
   */
  public GirlFriend build() {
    return new GirlFriend(this);
  }
}

public GirlFriend(GirlFriendBuilder builder) {
    this.sex = builder.sex;
    this.age = builder.age;
    this.stature = builder.stature;
    this.weight = builder.weight;
    this.type = builder.type;
  }

GirlFriend girlFrie1nd = new GirlFriendBuilder()
        .setAge(19)
        .setSex("女")
        .setType("声优")
        .setStature(175)
        .build();