diff -r a057dc4457fc -r 87b9e3e2c1a7 testing1/collatz.scala
--- a/testing1/collatz.scala	Tue Oct 29 11:11:44 2019 +0000
+++ b/testing1/collatz.scala	Tue Oct 29 14:12:24 2019 +0000
@@ -1,8 +1,11 @@
 // Part 1 about the 3n+1 conjecture
 //==================================
 
+// generate jar with
+//   > scala -d collatz.jar  collatz.scala
 
-//object CW6a { // for purposes of generating a jar
+object CW6a { 
+
 
 def collatz(n: Long): Long =
   if (n == 1) 0 else
@@ -15,6 +18,7 @@
   all.maxBy(_._1)
 }
 
+
 /* some test cases
 val bnds = List(10, 100, 1000, 10000, 100000, 1000000)
 
@@ -25,4 +29,8 @@
 
 */
 
-//}
+
+}
+
+
+