Method references in Java are part of the broader set of features introduced and enhanced in Java 8 and beyond. They are a concise way to refer to methods of classes or objects.

When you use generics, the compiler checks the types of objects stored in collections (like List and Set), method return types, and parameters to ensure they match the declared generic types.

You can quickly and easily correct this Java method modifier issue based on how soon you can refactor. Then, it just comes down to which method you want to use. Let's explore two options on how to fix ...