工厂模式（转载）

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package com.tontisa.Testfactory;

//工厂接口

interface Car {
public void run();

public void stop();

}

//工厂的实现

public class Benz implements Car {

@Override
public void run() {
System.out.println("Benz开始启动了。。。。。");
}

@Override
public void stop() {
System.out.println("Benz停车了。。。。。");
}

}

public class Ford implements Car {

@Override
public void run() {
System.out.println("Ford开始启动了。。。");
}

@Override
public void stop() {
System.out.println("Ford停车了。。。。");
}

}

//工厂

public class Factory {

public static Car getCarInstance(String type) {
Car c = null;
try {
c = (Car) Class.forName("com.tontisa.Testfactory." + type).newInstance();
} catch (InstantiationException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IllegalAccessException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

return c;
}
}

//调用地点

public class FactoryImpl {

public static void main(String[] args) {
Car c = Factory.getCarInstance("Ford");// ****这里调用具体的实现类
if (c != null) {
c.run();
c.stop();
} else {
System.out.println("造不了这种汽车。。。");
}

}

}

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