static int largestOddDigit ( int n ) {
  int maxOdd = - 1 ;
  while ( n > 0 ) {
    int digit = n % 10 ;
    if ( digit % 2 == 1 && digit > maxOdd ) maxOdd = digit ;
    n = n / 10 ;
  }
  return maxOdd ;
}

static int largestOddDigit ( int n ) { int maxOdd = - 1 ; while ( n > 0 ) { int digit = n % 10 ; if ( digit % 2 == 1 && digit > maxOdd ) maxOdd = digit ; n = n / 10 ; } return maxOdd ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (unary_expression operand: (decimal_integer_literal)))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (expression_statement (assignment_expression left: (identifier) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (return_statement (identifier))))