title: First line in loop outputting twice mystery (JAVA)
body: <p>This is a pretty strange problem.</p>
  
  <p>For some reason when my loop is iterated the first time, it outputs an extra line to the user. </p>
  
  <p>Here is my code: </p>
  
  <pre><code>import java.util.Scanner;   
  public class FunRentals {
      public static void main(String[] args) {
          Scanner new_scan = new Scanner(System.in);  
          System.out.println("Enter the amount of customers: ");
          int num_customers = new_scan.nextInt();
          double counter = 0;
          int x = 1;
  
          while(x&lt;= num_customers){
              double sum = 0;
  
              System.out.print("Please enter the service used (\"Clowns\", \"Safari\", or \"Caravan\") for customer #"+x);
              String service_type = new_scan.nextLine();
              String service_type_real = service_type.toLowerCase();
  
  
  
              if(service_type_real.equals("clowns")){ 
                  System.out.println("Please enter the amount of ADDITONAL hours");   
                  double additional_hours = new_scan.nextDouble();
  
                  sum = clowns(additional_hours);                                     
                  System.out.println("The total bill for customer #" +x +" is "+ clowns(additional_hours));
              } 
              if(service_type_real.equals("safari sam")){
                  System.out.println("Please enter the amount of ADDITONAL hours");   
                  double additional_hours = new_scan.nextDouble();
                  sum = safari_sam(additional_hours);                                 
                  System.out.println("The total bill for customer #" +x +" is "+ safari_sam(additional_hours));
              } 
              if(service_type_real.equals("music caravan")){
                  System.out.println("Please enter the amount of ADDITONAL hours");   
                  double additional_hours = new_scan.nextDouble();
                  sum = music_caravan(additional_hours);
                  System.out.println("The total bill for customer #" +x +" is "+ sum);
              } 
  
              counter = counter + sum; x++;
          }
          System.out.println("The total amount of money made was $"+counter);
      }
  
      public static double clowns(double a){
          double additional_cost = a*35;
          double total_cost = additional_cost + 45;
          return total_cost;
      }
  
      public static double safari_sam(double a){
          double additional_cost = a*45;
          double total_cost = additional_cost + 55;
          return total_cost;
      }
      public static double music_caravan(double a){
          double additional_cost = a*30;
          double total_cost = additional_cost + 40;
          return total_cost;
      }
  }
  </code></pre>
  
  <p>Question: Does anybody know why <code>System.out.print("Please enter the service used (\"Clowns\", \"Safari\", or \"Caravan\") for customer #"+x);</code> Outputs TWICE instead of once in the first iteration? I need to pass this in by tomorrow and don't know why the loop isn't working properly and running the code once per iteration.</p>