方法引用錯誤：reason: no instance(s) of type variable(s) exist so that String conforms to Person
當使用方法引用的時候出現reason: no instance(s) of type variable(s) exist so that String conforms to Person的錯誤，如下： 對比兩個代碼可知，因爲Stream5的泛型是String類型，所以調用Stream類中的方法就必須是以String類或者String類的子類作爲參數傳遞，不然就會報錯。這兒我是將Person作爲參
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相關文章
- 1. lambda no instance(s) of type variable(s) T exist so that void conforms to R
- 2. (type interface {}) to type string
- 3. Reason: No converter found capable of converting from type [java.lang.String] to type [java.util.Map
- 4. 解決錯誤： No converter found capable of converting from type [java.lang.String] to type [java.lang.Class
- 5. Could not autowire. No beans of ‘Person‘ type found
- 6. JavaScript - Scope of variables
- 7. C++引用報錯:invalid initialization of non-const reference of type ‘std::string&’ from an rvalue of type
- 8. error: there are no arguments to ‘size‘ that depend on a template parameter, so a declaration of ‘si
- 9. no new variables on left side of :=
- 10. jpa Page 1 of 0 containing UNKNOWN instances錯誤