用反射改进工厂模式

package com.test;

interface Fruit{
public void eat();
}

class Apple implements Fruit{
@Override
public void eat() {
System.out.println("eat apple!");
}
}

class Orange implements Fruit{
@Override
public void eat() {
System.out.println("eat orange!");
}
}

class Factory{
public static Fruit getInstance(String name){
Fruit f = null;
try {
Class<?> cls = Class.forName(name);
f = (Fruit)cls.newInstance();
} catch (Exception e) {
e.printStackTrace();
}
return f;
}
}

public class TestDemo {
public static void main(String[] args) {
Fruit f = Factory.getInstance("com.test.Apple");
f.eat();
f = Factory.getInstance("com.test.Orange");
f.eat();
}
}