How to implement ArrayList and HashMap by themselves
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Java
ArrayList and HashMap
The storage of ArrayList is an array,
The storage of HashMap is an array plus a linked list,
The myarraylist and myhashmap implemented below are not used in actual work. The most likely place to use is to interview, find a job and deceive others. Although we can't use it at work, it doesn't mean it's useless. It can help us understand their implementation principle. After the implementation, we can carefully check the source code in JDK and find out what others can learn from their implementation.
MyArrayList
MyHashMap
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