Java
'Optional' contains array or collection
Warning
New
Last modified: 03 December 2024 Reports java.util.Optional
or com.google.common.base.Optional
types with an array or collection type parameter.
In such cases, it is more clear to just use an empty array or collection to indicate the absence of result.
Example:
Optional<List<Integer>> foo() {
return Optional.empty();
}
This code could look like:
List<Integer> foo() {
return List.of();
}
- By ID
Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.
OptionalContainsCollection
This inspection depends on the Java feature 'Stream and Optional API', which is available since Java 8.
Inspection Details | |
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By default bundled with: | |
Can be installed with plugin: | Java, 243.23126 |
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