public class DoubleToStringConversion7078 {
              public static void main(String[] args) {
                  // Example double
                  double number = 123.456;
          
                  // Convert the double to a String
                  String convertedString = convertDoubleToString(number);
          
                  // Print the converted String
                  System.out.println("Converted String: " + convertedString);
              }
          
              // Function to convert a double to a String
              private static String convertDoubleToString(double num) {
                  // Use String.valueOf() to convert the double to a String
                  return String.valueOf(num);
              }
          }