uml

test.uml

class Context{
    - StrategyA strategyA
    - StrategyB strategyB
}

package PackageStrategyA {
    interface StrategyA{
        + excute()
    }
    
    class ConcreteStrategyA1{
        + excute()
    }
    
    class ConcreteStrategyA2{
        + excute()
    }
}

package PackageStrategyB {
    interface StrategyB{
        + excute()
    }
    
    class ConcreteStrategyB1{
        + excute()
    }
    
    class ConcreteStrategyB2{
        + excute()
    }
    
    class ConcreteStrategyB3{
        + excute()
    }
}

Context *-- StrategyA
StrategyA <|.. ConcreteStrategyA1
StrategyA <|.. ConcreteStrategyA2

Context *-- StrategyB
StrategyB <|.. ConcreteStrategyB1
StrategyB <|.. ConcreteStrategyB2
StrategyB <|.. ConcreteStrategyB3