interface PersonBuilder {

void buildHead();

void buildBody();

void buildFoot();

Person buildPerson();

}

//ConcreteBuilder

class ManBuilder implements PersonBuilder {

Person person;

public ManBuilder() {

person = new Man();

}

public void buildBody() {

person.setBody("建造男人的身体");

}

public void buildFoot() {

person.setFoot("建造男人的脚");

}

public void buildHead() {

person.setHead("建造*人的头");

}

public Person buildPerson() {

return person;

}

}

//Director

class PersonDirector {

public Person constructPerson(PersonBuilder pb) {

pb.buildHead();

pb.buildBody();

pb.buildFoot();

return pb.buildPerson();

}

}

//Product

class Person {

private String head;

private String body;

private String foot;

public String getHead() {

return head;

}

public void setHead(String head) {

this.head = head;

}

public String getBody() {

return body;

}

public void setBody(String body) {

this.body = body;

}

public String getFoot() {

return foot;

}

public void setFoot(String foot) {

this.foot = foot;

}

}

class Man extends Person {

}

public class DS04_Builder{

public static void main(String[] args) {

PersonDirector pd = new PersonDirector();

Person person = pd.constructPerson(new ManBuilder());

System.out.println(person.getBody());

System.out.println(person.getFoot());

System.out.println(person.getHead());

}

}