@SuppressWarning 压制Java的编译警告
@SuppressWarnings表示压制Java的编译警告，它有一个必填参数，表示压制哪种类型的警告.关键字 用途 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 上面的方法，我们就可以增加
@SuppressWarnings("deprecation") public static void main(String[] args) { Demo1 demo1 = new Demo1(); demo1.goHome(); }https://www.cnblogs.com/zhenghengbin/p/9797668.html
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