JavaPatternMatching/resources/javFiles/Faculty.jav

import java.lang.Integer;

class Faculty {
	//fact;
	
  	Integer mul(Integer x, Integer y) {
  	return x;
   }
  
  m () {
    var fact = (Integer x) -> {
        return mul(x, fact.apply(x));
   };
   return fact;
  }
}