If, in future, you were only able to use a single one of the canonical patterns defined in the Gang of Four book, which one would you choose and for what reason?
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If, in future, you were only able to use a single one of the canonical patterns defined in the Gang of Four book, which one would you choose and for what reason?
Not a design pattern, but to me this principle was definitely the most influential on my programming style of the whole book:
Combined with the other principle ‘Program to an interface, not an implementation’, most design patterns follow naturally.
Choosing one pattern as the most important is in my opinion impossible. They all have their purpose and complement each other. Its like asking if a hammer or a screwdriver is more useful. It depends on the problem, sometimes you have a nail and sometimes a screw.