2 @curiousengineer The evaluating() strategy does't permit a lambda taking two arguments, for the reason that that's not the goal of it. The reason is for it to use a mapping functionality (the lambda) to every of The 2 objects becoming in comparison, right before contacting a. Inside our situation, http://keegannvcin.thelateblog.com/15443556/5-essential-elements-for-java-8-lambda-stream-sorted