@NotNull/@Nullable problems
Reports problems related to nullability annotations.
Examples:
Overriding methods are not annotated:
abstract class A { @NotNull abstract String m(); } class B extends A { String m() { return "empty string"; } }
Annotated primitive types:
@NotNull int myFoo;
Both
@Nullable
and@NotNull
are present on the same member:@Nullable @NotNull String myFooString;
Collection of nullable elements is assigned into a collection of non-null elements:
void testList(List<@Nullable String> nullableList) { List<@NotNull String> list2 = nullableList; }
- 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.
NullableProblems
Use the Configure Annotations button to specify nullability annotations and the checkboxes to fine-tune where the inspection should provide warnings.
This inspection only reports if the language level of the project or module is 5 or higher, and nullability annotations are available on the classpath.
Here you can find the description of settings available for the @NotNull/@Nullable problems inspection, and the reference of their default values.
Inspection Details | |
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By default bundled with: | |
Can be installed with plugin: | Java, 243.23126 |
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