抽象工厂类

    1. package miluo.design.patterns.factoryMethod;
    3. import miluo.design.patterns.simpleFactory.Machine;
    5. /**
    6.  * @author Miluo
    7.  * @className AbstractFactory
    8.  * @description
    9.  * @date 2022/2/16
    10.  **/
    11. public abstract class AbstractFactory {
    12.     /**
    13.      * getMachine
    14.      * @return Machine
    15.      */
    16.     abstract Machine getMachine();
    17. }

    具体工厂类

    1. package miluo.design.patterns.factoryMethod;
    3. import miluo.design.patterns.simpleFactory.ChinaMachine;
    4. import miluo.design.patterns.simpleFactory.Machine;
    6. /**
    7.  * @author Miluo
    8.  * @className CnFactory
    9.  * @description
    10.  * @date 2022/2/16
    11.  **/
    12. public class CnFactory extends AbstractFactory {
    13.     @Override
    14.     Machine getMachine() {
    15.         return new ChinaMachine();
    16.     }
    17. }
    1. package miluo.design.patterns.factoryMethod;
    3. import miluo.design.patterns.simpleFactory.AmericanMachine;
    4. import miluo.design.patterns.simpleFactory.Machine;
    6. /**
    7.  * @author Miluo
    8.  * @className CnFactory
    9.  * @description
    10.  * @date 2022/2/16
    11.  **/
    12. public class UsaFactory extends AbstractFactory {
    13.     @Override
    14.     Machine getMachine() {
    15.         return new AmericanMachine();
    16.     }
    17. }

    抽象产品类

    1. package miluo.design.patterns.simpleFactory;
    3. /**
    4.  * @author Miluo
    5.  * @className Machine
    6.  * @description 抽象产品类
    7.  * @date 2022/2/16
    8.  **/
    9. public abstract class Machine {
    10.     /**
    11.      * sayHello
    12.      * @return String 
    13.      */
    14.     public abstract String welcome();
    15. }

    具体产品类

    1. package miluo.design.patterns.factoryMethod;
    3. import miluo.design.patterns.simpleFactory.ChinaMachine;
    4. import miluo.design.patterns.simpleFactory.Machine;
    6. /**
    7.  * @author Miluo
    8.  * @className CnFactory
    9.  * @description
    10.  * @date 2022/2/16
    11.  **/
    12. public class CnFactory extends AbstractFactory {
    13.     @Override
    14.     Machine getMachine() {
    15.         return new ChinaMachine();
    16.     }
    17. }
    1. package miluo.design.patterns.factoryMethod;
    3. import miluo.design.patterns.simpleFactory.ChinaMachine;
    4. import miluo.design.patterns.simpleFactory.Machine;
    6. /**
    7.  * @author Miluo
    8.  * @className CnFactory
    9.  * @description
    10.  * @date 2022/2/16
    11.  **/
    12. public class CnFactory extends AbstractFactory {
    13.     @Override
    14.     Machine getMachine() {
    15.         return new ChinaMachine();
    16.     }
    17. }