Package org.checkerframework.checker.index.qual

Annotation Interface NonNegative

@Documented
@Retention(RUNTIME)
@Target({TYPE_USE,TYPE_PARAMETER})
@SubtypeOf(GTENegativeOne.class)
public @interface NonNegative

The annotated expression evaluates to an integer greater than or equal to 0.

Consider the following example, from a collection that wraps an array. This constructor creates the delegate array, which must have a non-negative size.

 ArrayWrapper(@NonNegative int size) { delegate = new Object[size]; }
 

See the Checker Framework Manual:

Index Checker