classfiles.txt

ls
test$__STAR_.class			
test$__STAR__STAR_.class		
test$_main.class			
test$loading__6798__auto____138.class	
test__init.class
test$_init.class			
test$fn__140.class			
test.class

% javap test
public class foo.Test {
  public final java.lang.Object ***;
  public static {};
  public foo.Test();
  public boolean equals(java.lang.Object);
  public java.lang.String toString();
  public int hashCode();
  public java.lang.Object clone();
}

scratch.clj

(def t (foo.Test.))

(.-*** t)

Execution error (IllegalArgumentException) at user/eval150 (REPL:1).
No matching field found: _STAR__STAR__STAR_ for class foo.Test

(clojure.lang.Reflector/getField foo.Test "***" false)
#object[java.lang.reflect.Field 0x551de37d "public final java.lang.Object foo.Test.***"]

(-> t .getClass (.getDeclaredField "***") (.get t) deref)
42

test.clj

(ns foo.test
  (:gen-class))

(gen-class
 :name "foo.Test"
 :state "***"
 :init "init"
 :prefix "-"
 ;; :methods [[* [] String]   uncommenting causes compilation error
 ;;           [** [] String]] 
 )

(defn -init []
  [[] (atom 42)])

(defn -* [this]
  "one star")

(defn  -**
  [this]
  "two stars")

(defn -main [& args]
  (-*)
  (-**))