在開發(fā)中拯啦，有時(shí)候IDE/編譯器會(huì)給出一些沒有必要的告警账阻。可以通過@SuppressWarnings來屏蔽。@SuppressWarnings有很多種面向場(chǎng)景染突，下面一一列出：
- 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
