建造者模式_动力节点Java学院整理

class Product {  private String name;  private String type;  public void showProduct(){   System.out.println("名称："+name);   System.out.println("型号："+type);  }  public void setName(String name) {   this.name = name;  }  public void setType(String type) {   this.type = type;  } }  abstract class Builder {  public abstract void setPart(String arg1, String arg2);  public abstract Product getProduct(); } class ConcreteBuilder extends Builder {  private Product product = new Product();    public Product getProduct() {   return product;  }  public void setPart(String arg1, String arg2) {   product.setName(arg1);   product.setType(arg2);  } }  public class Director {  private Builder builder = new ConcreteBuilder();  public Product getAProduct(){   builder.setPart("宝马汽车","X7");   return builder.getProduct();  }  public Product getBProduct(){   builder.setPart("奥迪汽车","Q5");   return builder.getProduct();  } } public class Client {  public static void main(String[] args){   Director director = new Director();   Product product1 = director.getAProduct();   product1.showProduct();    Product product2 = director.getBProduct();   product2.showProduct();  } }