Variable: remove deprecated methods
#248: Anonymous type can be replaced by lambdas
#248:  if statement replaceable with 'switch' statement
#248: StringBuffer may be declared as 'StringBuilder'
#248: Explicit type can be replaced with <>
#248: Replace for loop with collect
#248: Identical 'catch' branches in 'try' statement
#248: Possible heap pollution with varags
#253: fix bug
#255: add CHANGES.md