static int countBits ( int number ) {
  return ( int ) ( Math . log ( number ) / Math . log ( 2 ) + 1 ) ;
}

static int countBits ( int number ) { return ( int ) ( Math . log ( number ) / Math . log ( 2 ) + 1 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))) right: (decimal_integer_literal)))))))