v02-l1-problem : 
v02-l2-scopes : 
v02-l1-synonym : 
v02-l1-concept : 
v02-l1-classObj : 
v02-l1-privateAttr : 
v02-l1-constMethod : 
v02-l2-error : 
v02-l1-copyConstructor : 
v02-l2-modifObj :