How to implement PHP's dynamic array in JAVA

How to implement PHP's dynamic array in JAVA: 1. Get the value through "new HashMap();"; 2. Get the value through "new HashMap();". ,>,>

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How about JAVA Implementing dynamic arrays in PHP?

java implements php array:

Similar to java's Map

Use numbers to get values:

HashMap<Integer, Object> map = new HashMap<Integer, Object>();

Use strings to get values:

HashMap<String, Object> map = new HashMap<String, Object>();

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