How to use generics in builder pattern

Question

I am trying to use the builder pattern with generics but I don't know how to put it together. I would need some help and an explanation of the correct syntax. My code, and what I have tried.

public class LanguageMatcher<T, S> {

    // Code
    public final static class Builder<T, S> {

        // Code
    }
}

Usage (Error):

new LanguageMatcher<MyClass, YourClass>().Builder<MyClass, YourClass>()....

Answer 1

Type parameters are not inherited from outer class to static nested class. So Builder<T, S> actually has a different T and S than LanguageMatcher.

So you don't need type parameters when attempting to qualify Builder with LanguageMatcher. And because the Builder class is static, you don't need an instance of LanguageMatcher to instantiate a Builder:

LanguageMatcher.Builder<MyClass, YourClass> lm =
    new LanguageMatcher.Builder<MyClass, YourClass>();