Collection Classes uses in x++

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Posted on by pra2ax8chi

I am learning x++ programming. I am seeking help to understand uses of collection classes in x++. I want to understand scenarios when we should use collection classes in x++. Can someone please guide me?

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GirishS 27,843 Moderator on at

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Hi,

Refer to the below blog.

http://daxingwitheshant.blogspot.com/2018/07/collection-classes.html

Thanks,

Girish S.

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huijij 19,811 on at

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Hi,

The collection classes are Array, List, Map, Set, and Struct. The following examples contain the ways of using collections.

learn.microsoft.com/.../xpp-data-collection

Best regards,

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Mohit Rampal 12,573 Moderator on at

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Hi, In addition to above suggestions, 'Collection classes are used to store, organize, and manipulate data in an efficient and flexible manner. Not just data (records) but objects also can be stored.

technologyblog.rsmus.com/.../

You can find lot of examples in standard code, the main use case is when you need to add multiple values/records and later iterate through the records to perform an action based on saved values.

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Eiken Microsoft Employee on at

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Hi,

Collection classes are used to store objects. They let you create arrays, lists, sets, maps, and structs that can hold any data type, even objects. For maximum performance, the classes are implemented in C++ (they are system classes). Collection classes were previously known as foundation classes. The collection classes are Array, List, Map, Set, and Struct.

The following link is about the official document.

X++ collection classes - Finance & Operations | Dynamics 365 | Microsoft Learn

The following link contains a lot more details related to these collection classes.

Using the Dynamics AX Collection Classes - RSM Technology (rsmus.com)

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