org.checkerframework.checker.signedness.qual

Annotation Type Signed

@Documented
 @Retention(value=RUNTIME)
 @Target(value={TYPE_USE,TYPE_PARAMETER})
 @SubtypeOf(value=UnknownSignedness.class)
 @DefaultFor(typeKinds={BYTE,INT,LONG,SHORT,FLOAT,DOUBLE},
            types={java.lang.Byte.class,java.lang.Integer.class,java.lang.Long.class,java.lang.Short.class,java.lang.Float.class,java.lang.Double.class},
            value=EXCEPTION_PARAMETER)
 @UpperBoundFor(typeKinds={FLOAT,DOUBLE},
               types={java.lang.Float.class,java.lang.Double.class})
 @DefaultQualifierInHierarchy
public @interface Signed

The value is to be interpreted as signed. That is, if the most significant bit in the bitwise representation is set, then the bits should be interpreted as a negative number.

See the Checker Framework Manual:

Signedness Checker