简单工厂

 

package com.factory;

public abstract class AbstractCreateFactory {
	
	public abstract People createPeople(Class<? extends People> c);
}

 

package com.factory;

public interface People {
	
	public void getColor();
	
	public void talk();
}

 

package com.factory;

public class BlackPeople implements People{

	@Override
	public void getColor() {
		System.out.println("黑人");
	}

	@Override
	public void talk() {
		System.out.println("说非州话");
	}
	
}

 

package com.factory;

public class YellowPeople implements People{

	@Override
	public void getColor() {
		System.out.println("黄种人");
	}

	@Override
	public void talk() {
		System.out.println("说汉语");
	}

}

 

package com.factory;

public class CreateFactory extends AbstractCreateFactory{

	@Override
	public People createPeople(Class<? extends People> c) {
		People people = null;
		
		try {
			 people = (People)Class.forName(c.getName()).newInstance();
			 people.talk();
			 people.getColor();
		} catch (Exception e) {
			e.printStackTrace();
		}
		return people;
	}
}