Conclusion

TEMPLATE METHOD is simple to write and simple to use but is also inflexible. STRATEGY is flexible, but you have to create an extra class, instantiate an extra object, and wire the extra object into the system. So the choice between TEMPLATE METHOD and STRATEGY depends on whether you need the flexibility of STRATEGY or can live with the simplicity of TEMPLATE METHOD. Many times, I have opted for TEMPLATE METHOD simply because it is easier to implement and use. For example, I would use the TEMPLATE METHOD solution to the bubble sort problem unless I was very sure that I needed different sort algorithms.