Wrapper Class in Salesforce

1. A wrapper or container class is a class, a data structure that contains different objects or collections of objects as its members.
2. A wrapper class is a custom object defined by a programmer wherein he defines the wrapper class properties.
3. For Example, Custom Object have fields and fields have different data types similarly we have custom variables in ApexClass

Wrapper Class Use Case in LWC

1. Display the list of Open Cases in the form of DataTable.
2. Let the user have the ability to select multiple cases at a time.
3. Have a button called “Close Selected Cases”
4. Once the user clicks on the button it should close all the selected cases

Outcome

Demo

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