I'm stuck with this "Make this anonymous inner class a lambda"

Question

builder.hostnameVerifier(new HostnameVerifier() {
    @Override
    public boolean verify(String hostname, SSLSession session) {
        return hostname!=null;
    }
});

I need help to refactor this code. I don't know from where to start. I've tried everything, but I find lambda expressions complicated.

Answer 1

HostnameVerifier hv =(String urlHostName, SSLSession session)-> {
    return hostname!=null;
};