简单工厂模式
Product:抽象产品角色,它定义了这个产品的通用属性,相当于模子,它定义了一些功能,这些功能可以由子类去实现
ConcreteProduct:具体产品角色,它实现了抽象产品所定义的功能,每个 ConcreteProduct 相当于一个产品种类
SimpleFactory:具体工厂模式类,它实现了抽象工厂定义的所有功能,负责创建具体的产品,它根据这个工厂的具体实现来生产具体的产品,但是这个产品也都具有符合抽象产品类定义的功能
Product
package design.pattern.simplefactory;
public abstract class Product {
private String type;
public Product(String type) {
this.type = type;
}
public String getType() {
return type;
}
public abstract void function();
}ConcreteProduct
package design.pattern.simplefactory;
public class ConcreteProduct extends Product {
public ConcreteProduct(String type) {
super(type);
}
@Override
public void function() {
System.out.println("ConcreteProduct");
}
}SimpleFactory
package design.pattern.simplefactory;
public class SimpleFactory {
public Product getProduct() {
return new ConcreteProduct("Type A");
}
}Client
package design.pattern.simplefactory;
public class Client {
public static void main(String[] args) {
new SimpleFactory().getProduct().function();
}
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