private static int changeMinimunValue ( int oldVlaue , int minValue , int maxValue ) {
  int newValue = 9999 ;
  for ( int index = 0 ;
  index <= 3 ;
  ++ index ) {
    for ( int digit = 0 ;
    digit <= 9 ;
    ++ digit ) {
      int temp = fixDigit ( oldVlaue , index , digit ) ;
      if ( minValue <= temp && temp <= maxValue && temp < newValue ) {
        newValue = temp ;
      }
    }
  }
  return newValue ;
}

private static int changeMinimunValue ( int oldVlaue , int minValue , int maxValue ) { int newValue = 9999 ; for ( int index = 0 ; index <= 3 ; ++ index ) { for ( int digit = 0 ; digit <= 9 ; ++ digit ) { int temp = fixDigit ( oldVlaue , index , digit ) ; if ( minValue <= temp && temp <= maxValue && temp < newValue ) { newValue = temp ; } } } return newValue ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier))) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))))))))) (return_statement (identifier))))