简单工厂

src/factoryMethod/Car.java

@@ -0,0 +1,8 @@
+package factoryMethod;
+
+public class Car implements Vehicle{
+    @Override
+    public void go() {
+        System.out.println("Car starting... go to park...");
+    }
+}

src/factoryMethod/CarFactory.java

@@ -0,0 +1,8 @@
+package factoryMethod;
+
+public class CarFactory {
+    public Vehicle createCar(){
+        System.out.println("car created...");
+        return new Car();
+    }
+}

src/factoryMethod/Main.java

@@ -0,0 +1,8 @@
+package factoryMethod;
+
+public class Main {
+    public static void main(String[] args) {
+        Vehicle vehicle = new Car();
+        vehicle.go();
+    }
+}

src/factoryMethod/Plane.java

@@ -0,0 +1,8 @@
+package factoryMethod;
+
+public class Plane implements Vehicle{
+    @Override
+    public void go() {
+        System.out.println("plant moving.. fly fly fly...");
+    }
+}

src/factoryMethod/SimpleVehicleFactory.java

@@ -0,0 +1,16 @@
+package factoryMethod;
+
+/*
+* 简单工厂扩展性不好
+* */
+public class SimpleVehicleFactory {
+    public Car createCar(){
+        //一些前置操作。。。
+        return new Car();
+    }
+
+    public Plane createPlane(){
+        //一些前置操作。。。
+        return new Plane();
+    }
+}

src/factoryMethod/Vehicle.java

@@ -0,0 +1,5 @@
+package factoryMethod;
+
+public interface Vehicle {
+    void go();
+}