anchor.diff:  
   == *Comments*
   
  -*2. ⭐ All comments should be written in English.*
  +*2. {star} All comments should be written in English.*
   
   Furthermore, use American spelling and avoid local slang.
   
  
positive.code: 
  === *Classes and Interfaces*
  
  *4. ⭐⭐⭐ Class and Interface declarations should be organized in the following manner:*
  
  . Class/Interface documentation (Comments)
  . *class* or *interface* statement
  
negative.code: Your code is not officially ‘_produced by NUS_’, therefore do not use `edu.nus.comp.*` or anything similar.
  ====
  
  *2. {star} Class/enum names must be nouns and written in PascalCase.*
  
  [source,java]
  ----
  Line, AudioSystem
  ----
  
  *3. {star} Variable names must be in camelCase.*
  
  [source,java]
  ----
  line, audioSystem
  ----
  
  *4. {star} Constant names must be all uppercase using underscore to separate words.*
  
  [source,java]
  ----
  MAX_ITERATIONS, COLOR_RED
  ----
  
  *5. {star} Names representing methods must be verbs and written in camelCase.*
  
  [source,java]
  ----
  