메모리허브

The Singleton Pattern ensures a class has only one instance and provides a global point of access to that instance, like having a single captain of a ship who is the only one steering it.The Big PictureImagine you have a ship, and you want to make sure there's only one captain in charge. If there were multiple captains, they'd give conflicting orders, causing chaos. In programming, sometimes we ..

┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │ Factory │ │ Strategy │ │ Observer │ └──────┬──────┘ └──────┬──────┘ └──────┬──────┘ │ │ │ ┌────┴────┐ ┌────┴────┐ ┌────┴────┐ │ Product │ │Algorithm│ │ Subject │ └─────────┘ └─────────┘ └─────────┘ "..