anchor.diff:  * Finish class path exercices
   * Review material from the start
   * Commit the mandatory exercices using `git` https://classroom.github.com/a/Clfupgrv[here]
  +* You may use the `groupId` `io.github.<yourgithubusername>`.
  +
   
   [[S5]]
   === S5 (Thursday 4th of April, 2019)
  
positive.code: ** Material: http://math.hws.edu/javanotes/contents-with-subsections.html[ES1.4] (Building blocks of programs), 2 intro (names and things), 2.1 (basic Java application), 2.2 (variables and primitive types), 2.3.3 (operations on strings), 2.4.1 (basic and formatted output), 2.5 (expressions), 2.6.7 (packages), ES3 intro to 3.6 (blocks, loops, algorithmic development, switch) [Should be known or easy]
  ** http://math.hws.edu/javanotes/c2/[ES2.2.1] (variables), 2.3.1 (subroutines), 2.4.6 (scanner for input) [I]
  ** ES1.6 (modern UI), 1.7 (internet) [O]
  * *Exercice* with a text editor: define a class `MyMathClass` containing the method above and a method that returns the smallest divisor (greater than one) of its parameter; and a class `MyBooleanClass` containing a method `xor` returning `true` iff exactly one of its parameter is `true`. Copy-paste this in jshell and make sure you can call all these methods from jshell. (TODO at home)
  
  *Todo*
  
  
negative.code: * EE4.4
  * EE4.5, 4.6 [O]
  * EE4.7
  
  [[S4]]
  === S4 (Friday 22nd of March, 2019)
  