设计模式之策略模式

 

package stat.factory;

public interface Strategy {//抽象策略	
	public void strategy();
}

class StrategyA implements Strategy{//具体策略A	
	public void strategy(){
		System.out.println("策略模式A");
	}	
}

class StrategyB implements Strategy{//具体策略B	
	public void strategy(){
		System.out.println("策略模式B");
	}	
}

class Content{//环境	
	Strategy stra;
	public Content(Strategy stra){
		this.stra = stra;
	}
	public void strategy(){
		this.stra.strategy();
	}	
}

package stat.factory;

public class StrategyTest {//策略模式测试
	
	public static void main(String[] args) {
		
		Content st1 = new Content(new StrategyA());
		st1.strategy();
		Content st2 = new Content(new StrategyB());
		st2.strategy();
		
	}

}