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General Tech Bugs & Fixes 2 years ago
Posted on 30 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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I am not able to figure out why ArrayList<int> is not allowed but ArrayList<int[]> is allowed. I was under the impression that primitive data types are not allowed in Collections.
Generics only work for reference type (anything that is an Object).
Primitive int isn't a reference type.
int
int[] is, as any array is also an Object.
int[]
The proper way to deal with multiple int values is to either use just int[] (not putting them into lists), or to use List. Which one to pick really depends on your exact use case.
List
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