Java Basic Factory Method mode

Li Wu:
Learn to think more, honouring teachers save Thanksgiving. Leaf See root Three return one, living water Qingyuan hidden in zero.
Meekness The Lord of Conscience, Haoyuedangkong the King of Freedom. Willing to give the most ascetic no regrets, sincere advice and the line and cherish.

Os:windows7 x64
Jdk:jdk-8u131-windows-x64
Ide:eclipse Oxygen Release (4.7.0)

Abstract Parent Class Person

Package blog.jizuikua;/** * * *  @author Jizuiku * @version V17.09.27 */public abstract class Abstractperson {Abstr ACT void SayHello ();}

Javaer, subclass of abstract Person class

Package blog.jizuikua;/** * * *  @author Jizuiku * @version V17.09.27 */public class Javaer extends Abstractperson {@Overridevoid SayHello () {//TODO auto-generated method StubSystem.out.println ("Javaer SayHello");}}

Phper, subclass of abstract Person class

Package blog.jizuikua;/** * * *  @author Jizuiku * @version V17.09.27 */public class Phper extends Abstractperson { @Overridevoid SayHello () {//TODO auto-generated method StubSystem.out.println ("Phper SayHello");}}

Interface class

Package blog.jizuikua;/** * * *  @author Jizuiku * @version V17.09.27 */public interface School {public abstract Pe Rson trainpersonforprofession ();}

Package blog.jizuikua;/** * Javaer School, specialized in developing Java talent *  * @author Jizuiku * @version V17.09.27 */public class Javaerschoo L implements School {@Overridepublic person trainpersonforprofession () {//TODO auto-generated method Stubreturn New Javae R ();}}

Package blog.jizuikua;/** * Phper School, specialized in developing PHP talent *  * @author Jizuiku * @version V17.09.27 */public class Phperschool I Mplements School {@Overridepublic person trainpersonforprofession () {//TODO auto-generated method Stubreturn new Phper () ;}}

Test class

Package blog.jizuikua;/** * * *  @author Jizuiku * @version V17.09.27 */public class Demo {public static void main ( String[] (args) {//requires Java Developer School Jschool = new Javaerschool (); Person Javaer = jschool.trainpersonforprofession (); if (Javaer! = null) {Javaer.sayhello ();} else {System.out.println (" Failed to create object ");} Requires PHP Developer School Pschool = new Phperschool (); Person phper = pschool.trainpersonforprofession (); if (phper! = null) {Phper.sayhello ();} else {System.out.println (" Failed to create object ");}}}

Results

Java is good, worth learning.
The design pattern contains extremely high intelligence, which is helpful to project development.
Learning resources: Itcast and Itheima Video library. If you have public resources, can share to me, with your resources to learn also can.
Blog post is to watch the video, into thinking written. It's good that the teacher speaks well. Blog bad, is to give the most bitter not serious.

Java Basic Factory Method mode