참가자들

암호

public class Main {

    public static void main(String[] args) {
        Context context;
        context = new Context(new ConcreteStrategyA());
        context.contextInterface();
        context = new Context(new ConcreteStrategyB());
        context.contextInterface();
    }
}

public interface Strategy {

    void algorithmInterface();

}

public class ConcreteStrategyA implements Strategy {

    @Override
    public void algorithmInterface() {
        System.out.println("Called ConcreteStrategyA.AlgorithmInterface()");
    }

}

public class ConcreteStrategyB implements Strategy {

    @Override
    public void algorithmInterface() {
        System.out.println("Called ConcreteStrategyB.AlgorithmInterface()");
    }

}

public class Context {
    private Strategy strategy;

    public Context(Strategy strategy) {
        this.strategy = strategy;
    }

    public void contextInterface()  {
        strategy.algorithmInterface();
    }
}

산출

Called ConcreteStrategyA.AlgorithmInterface()
Called ConcreteStrategyB.AlgorithmInterface()

eidherjulian61 / 디자인 패턴