Java – type set is not universal; It cannot be parameterized

• Java

My eclipse faces this strange problem

Type set is not universal; It cannot be parameterized with the parameter < integer >

I cleaned up and built my project again Check my configuration build path and ensure that jresystemlibrary is higher than Maven dependencies. In order and export

Google search, but I found no problem with my code Why did the error pop up

Solution

When you call set, it will be treated as your class set, not Java util. Set.

Change the declaration to Java util. Set, which should be resolved

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