Analysis of ArrayList source code in Java programming

I've read a sentence before. It's very good. Someone asked, what's the use of reading the source code? Learn the design ideas of others to realize a function and improve their programming level.

Yes, we all realize one function. Different people have different design ideas. Some people use 10000 lines of code, while others use 5000 lines. Some people need tens of seconds to run the code, while others only need a few seconds.. Let's get to the point.

The main contents of this paper are as follows:

・ the implementation of ArrayList is described in detail, based on JDK 1.8. ・ the sublist part of the iterator is not explained in detail and will be put into other source code interpretation. The focus here is on the implementation of ArrayList itself. ・ standard comments are not adopted, and the indentation of the code is appropriately adjusted to facilitate introduction

summary

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