@SuppressWarnings 使用

@SuppressWarnings 注解参数取决于你的ide,并非java提供


 IDEA 使用

    参考  https://www.jetbrains.com/help/idea/2019.2/disabling-and-enabling-inspections.html#suppress-in-editor

在编辑器中取消检查

  1. 将插入符号放在突出显示的字符串上并按Alt+Enter。

  2. 单击要抑制的检查旁边的,然后选择必要的抑制操作。

 

@SuppressWarnings 使用_第1张图片

Eclipse 使用

参考 https://help.eclipse.org/kepler/index.jsp?topic=%2Forg.eclipse.jdt.doc.user%2Ftasks%2Ftask-suppress_warnings.htm


 

参数 描述
all to suppress all warnings (抑制所有警告)
boxing to suppress warnings relative to boxing/unboxing operations (抑制装箱、拆箱操作时候的警告)
cast to suppress warnings relative to cast operations (抑制映射相关的警告)
dep-ann to suppress warnings relative to deprecated annotation (抑制启用注释的警告)
deprecation to suppress warnings relative to deprecation (抑制过期方法警告)
fallthrough to suppress warnings relative to missing breaks in switch statements (抑制确在switch中缺失breaks的警告)
finally to suppress warnings relative to finally block that don’t return (抑制finally模块没有返回的警告)
hiding to suppress warnings relative to locals that hide variable(抑制相对于隐藏变量的局部变量的警告)
incomplete-switch to suppress warnings relative to missing entries in a switch statement (enum case)(忽略没有完整的switch语句)
nls to suppress warnings relative to non-nls string literals( 忽略非nls格式的字符)
null to suppress warnings relative to null analysis( 忽略对null的操作)
rawtypes to suppress warnings relative to un-specific types when using generics on class params( 使用generics时忽略没有指定相应的类型)
restriction to suppress warnings relative to usage of discouraged or forbidden references( 抑制禁止使用劝阻或禁止引用的警告)
serial to suppress warnings relative to missing serialVersionUID field for a serializable class( 忽略在serializable类中没有声明serialVersionUID变量)
static-access to suppress warnings relative to incorrect static access( 抑制不正确的静态访问方式警告)
synthetic-access to suppress warnings relative to unoptimized access from inner classes( 抑制子类没有按最优方法访问内部类的警告)
unchecked to suppress warnings relative to unchecked operations( 抑制没有进行类型检查操作的警告)
unqualified-field-access to suppress warnings relative to field access unqualified( 抑制没有权限访问的域的警告)
unused to suppress warnings relative to unused code( 抑制没被使用过的代码的警告)

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