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In Java,
ArrayList is a dynamic array that allows the storage of different data types. Here are some common types of ArrayList:- ArrayList of Integer (
ArrayList<Integer>) - Used to store integer values.
- Example:
- ArrayList of String (
ArrayList<String>) - Used to store string values.
- Example:
- ArrayList of Double (
ArrayList<Double>) - Used to store decimal values.
- Example:
- ArrayList of Custom Objects (
ArrayList<MyClass>) - You can create an
ArrayListto store custom objects. - Example:
- ArrayList of Boolean (
ArrayList<Boolean>) - Used to store boolean values.
- Example:
- ArrayList of ArrayList (
ArrayList<ArrayList<String>>) - This is a nested
ArrayListthat can store multipleArrayListobjects. - Example:
These different types allow
ArrayList in Java to flexibly store various types of data.- 作者:现代数学启蒙
- 链接:https://www.math1234567.com/article/typesofarraylist
- 声明:本文采用 CC BY-NC-SA 4.0 许可协议，转载请注明出处。
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