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Java Standard Edition (SE)



Annotation Type SuppressWarnings

    public @interface SuppressWarnings
    Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element). Note that the set of warnings suppressed in a given element is a superset of the warnings suppressed in all containing elements. For example, if you annotate a class to suppress one warning and annotate a method to suppress another, both warnings will be suppressed in the method.

    As a matter of style, programmers should always use this annotation on the most deeply nested element where it is effective. If you want to suppress a warning in a particular method, you should annotate that method rather than its class.

    See The Java™ Language Specification:
    4.8 Raw Types, 4.12.2 Variables of Reference Type, 5.1.9 Unchecked Conversion, 5.5.2 Checked Casts and Unchecked Casts, @SuppressWarnings
    • Required Element Summary

      Required Elements 
      Modifier and Type Required Element and Description
      String[] value
      The set of warnings that are to be suppressed by the compiler in the annotated element.
    • Element Detail

      • value

        public abstract String[] value
        The set of warnings that are to be suppressed by the compiler in the annotated element. Duplicate names are permitted. The second and successive occurrences of a name are ignored. The presence of unrecognized warning names is not an error: Compilers must ignore any warning names they do not recognize. They are, however, free to emit a warning if an annotation contains an unrecognized warning name.

        The string "unchecked" is used to suppress unchecked warnings. Compiler vendors should document the additional warning names they support in conjunction with this annotation type. They are encouraged to cooperate to ensure that the same names work across multiple compilers.

        the set of warnings to be suppressed


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