static String integer_to_string ( int n , int base ) {
  String str = "" ;
  while ( n > 0 ) {
    int digit = n % base ;
    n /= base ;
    str += ( char ) ( digit + '0' ) ;
  }
  return str ;
}

static String integer_to_string ( int n , int base ) { String str = " " ; while ( n > 0 ) { int digit = n % base ; n /= base ; str += ( char ) ( digit + '0' ) ; } return str ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_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: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal)))))))) (return_statement (identifier))))