bengbengbalabalabeng commented on issue #665:
URL: https://github.com/apache/fesod/issues/665#issuecomment-3473180254
I think there are a few ways to handle this:
1. In
`cn.idev.excel.metadata.AbstractParameterBuilder#head(List<List<String>>)`
- When assigning values, first check for null, then convert
`List<String>` into `ArrayList<String>` to make sure it’s mutable.
2. In `cn.idev.excel.metadata.property.ExcelHeadProperty#ExcelHeadProperty`
constructor
- Wrap `head.get(i)` with `ArrayList<String>`.
- But since the constructor may run multiple times during debugging, this
could lead to repeated wrapping.
Both approaches can avoid the `UnsupportedOperationException` that happens
when using immutable collections like `Arrays.asList`, `List.of`,
`Collections.unmodifiableList` or `Collections.singletonList`.
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