Java List's remove () method traps and performance optimization method tutorial

This article mainly introduces "Java List's remove () method trap and performance optimization method tutorial". In daily operation, I believe that many people have doubts about Java List's remove () method trap and performance optimization method tutorial. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the questions of "Java List's remove () method trap and performance optimization method tutorial"! Next, please follow the editor to study!

Java List is usually easy to step on the remove () method. There are a few main points.

Loop: the problem is that after deleting an element, because after deleting the element, the subsequent elements move forward one bit, and your index + 1, so the actual accessed element is separated by one bit relative to the deleted element.

Several common methods 1. Using the for loop for no extra processing (error) / / the wrong method for (int iTuno Sidi