static char nextChar ( ) throws IOException {
  return next ( ) . charAt ( 0 ) ;
}

static char nextChar ( ) throws IOException { return next ( ) . charAt ( 0 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters) (throws (type_identifier)) body: (block (return_statement (method_invocation object: (method_invocation name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (decimal_integer_literal))))))