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這篇文章給大家分享的是有關(guān)java如何實(shí)現(xiàn)抽象工廠模式Abstract Factory的內(nèi)容。小編覺(jué)得挺實(shí)用的,因此分享給大家做個(gè)參考,一起跟隨小編過(guò)來(lái)看看吧。
在工廠類模式中,如果需要新的類時(shí),需要修改工廠類,這樣顯然不利于擴(kuò)展。在抽象工廠模式中,需要擴(kuò)展一個(gè)類時(shí),不需要修改之前的代碼就可以實(shí)現(xiàn)。
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/**
* Created by Administrator on 2016/11/18.
*/
public interface Worker {
public void work();
}
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public interface Provider{
public Worker produce();
}
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public class Doctor implements Worker {
@Override
public void work() {
System.out.println("醫(yī)生開(kāi)始上班了");
}
}
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public class DoctorFactory implements Provider {
@Override
public Worker produce() {
return new Doctor();
}
}
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public class Student implements Worker {
@Override
public void work() {
System.out.println("學(xué)生開(kāi)始上課了");
}
}
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public class StudentFactory implements Provider {
@Override
public Worker produce() {
return new Student();
}
}
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public class Teacher implements Worker {
@Override
public void work() {
System.out.println("教師開(kāi)始教學(xué)了");
}
}
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public class TeacherFactory implements Provider {
@Override
public Worker produce() {
return new Teacher();
}
}
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public class Headmaster extends Teacher {
public void work(){
System.out.println("校長(zhǎng)開(kāi)始上班了");
}
}
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public class HeadmasterFactory implements Provider {
@Override
public Worker produce() {
return new Headmaster();
}
}
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public class Test {
public static void main(String[] args) {
Provider providers[] = {new DoctorFactory(), new StudentFactory(), new TeacherFactory(), new HeadmasterFactory()};
for (Provider f : providers) {
f.produce().work();
}
}
}
感謝各位的閱讀!關(guān)于“java如何實(shí)現(xiàn)抽象工廠模式Abstract Factory”這篇文章就分享到這里了,希望以上內(nèi)容可以對(duì)大家有一定的幫助,讓大家可以學(xué)到更多知識(shí),如果覺(jué)得文章不錯(cuò),可以把它分享出去讓更多的人看到吧!
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