"How can I isolate a particular class from a group of classes?"

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You can isolate a particular class from a group of classes by selecting it and making changes to it separately. To do so, you can follow these steps:

1. Identify the particular class that you want to isolate.

2. Open the file that contains the group of classes.

3. Navigate to the particular class and select it.

4. Write separate code for that class, making sure that you do not make any changes to the other classes in the group.

5. Test the isolated class separately to ensure that it works as expected.

6. Once you are satisfied with the isolated class, integrate it back into the group of classes, making sure that it still works correctly with the other classes.