question: convert an uppercase character to a lowercase one concode_field_sep CaseConverter caseConverter concode_elem_sep String[] upperCharacters concode_elem_sep Map<Character,Character> lower2UpperMap concode_elem_sep String[] lowerCharacters concode_elem_sep Map<Character,Character> upper2LowerMap concode_field_sep void init concode_elem_sep boolean containsUppercase concode_elem_sep boolean isValidLower concode_elem_sep boolean isValidUpper concode_elem_sep char toUpper concode_elem_sep void convert
target: char function ( char arg0 ) { Character loc0 = ( Character ) upper2LowerMap . get ( new Character ( arg0 ) ) ; return loc0 . charValue ( ) ; }