Java foundation - ArrayList source code analysis and design ideas

No, let's start! Guiding language We use ArrayList almost every day, but during the real interview, we find that many people still don't know the details of the source code, leaving a bad impression on the interviewer. In this section, we'll take a look at the source code related to ArrayList in the interview. 1. Overall architecture The ov ...

Posted by Helminthophobe on Fri, 17 Sep 2021 03:59:30 -0700

Collection ArrayList in Java

catalogue Collection overview ArrayList construction method and addition method common method Store the string and traverse the case Store student objects and traverse Collection overview When programming, if you want to store multiple data and use the array storage format with fixed length, it may not meet our needs and can not adapt t ...

Posted by JustGotAQuestion on Tue, 07 Sep 2021 18:34:13 -0700

Abstract data type

1, Concept Table List [interface, implemented]: a sequence (ordered set) composed of N elements of data elements A1, A2, A3... An. There is a precursor successor relationship between data elements. A special table of size 0 is called an empty tableTable implementation Implementation of growable array: once the array is created, it is im ...

Posted by phpcat on Fri, 03 Sep 2021 12:22:04 -0700