In short, the construction is divided into multiple steps, thread safety and so on. For details, you can refer to the code in the link, because I didn’t write it and I won’t post it.
By the way, the title of the original question quoted is roughly the original English text of the book you quoted.
You can refer to
This answer
In short, the construction is divided into multiple steps, thread safety and so on. For details, you can refer to the code in the link, because I didn’t write it and I won’t post it.
By the way, the title of the original question quoted is roughly the original English text of the book you quoted.
We don’t use java beans