all SuppressWarnings values? [duplicate]

Answer 1

Here; http://www.breakitdownblog.com/supported-values-for-suppresswarnings/. Note these are for main Java libraries; other APIs might have their own.

• all to suppress all warnings
• boxing to suppress warnings relative to boxing/unboxing operations
• cast to suppress warnings relative to cast operations
• dep-ann to suppress warnings relative to deprecated annotation
• deprecation to suppress warnings relative to deprecation
• fallthrough to suppress warnings relative to missing breaks in switch statements
• finally to suppress warnings relative to finally block that don’t return
• hiding to suppress warnings relative to locals that hide variable
• incomplete-switch to suppress warnings relative to missing entries in a switch statement (enum case)
• nls to suppress warnings relative to non-nls string literals
• null to suppress warnings relative to null analysis
• rawtypes to suppress warnings relative to un-specific types when using generics on class params
• restriction to suppress warnings relative to usage of discouraged or forbidden references
• serial to suppress warnings relative to missing serialVersionUID field for a serializable class
• static-access to suppress warnings relative to incorrect static access
• synthetic-access to suppress warnings relative to unoptimized access from inner classes
• unchecked to suppress warnings relative to unchecked operations
• unqualified-field-access to suppress warnings relative to field access unqualified
• unused to suppress warnings relative to unused code

Answer 2

There cannot be. These are extensible. For example, PMD respects @SuppressWarning("PMD").

Answer 3

Look at Javac compiler documentation, Xlint option. All these could be disabled by @SuppressWarnings