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summary         Continue with the previous chapter: Daily class - handwritten ArrayList - Generic , this article will talk about the implementation details of the iterator of ArrayList. Due to space constraints, this article first implements the one-way iterative method iterator(), and the two-way iterative listIterator() ...

1. General ArrayList implements the List interface and is a sequential container, that is, the data stored in the elements is in the same order as that put in. null elements are allowed to be put in, and the bottom layer is realized through array. Except that this class does not realize synchronization, the rest are roughly the same as Vec ...

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 ...

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 ...

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 ...