Assignment 6 - Lotto quick pick

Assignment brief:
Working by yourself, you are to create “Lotto QuickPick” software that will store 6 randomly generated numbers ranging from 1 to 45 for use in the Irish lotto and save the results to a file.
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//Start of code--------------------- package lottoquickpick; import java.io.File; import java.io.FileNotFoundException; import java.io.PrintStream; import java.util.Scanner; /* Usage notes:  * Redistribution, alteration and use of this code with or without  * modification, are permitted provided that the following conditions are met:  * In no event shall the copyright owner be liable for any direct, indirect,  * incidental, special, exemplary, or consequential damages arising in any  * way out of the use of this software, even if advised of the possibility  * of such damage.  */ public class LottoQuickPick {     public static void main(String[] args) throws FileNotFoundException {         Scanner input = new Scanner(System.in);         String name, firstName, mobile, initials, mobileDigits;         final String nameError = "Invalid name input!!\nPlease input A to Z characters only to continue: ";         final String mobileError = "Invalid mobile number!!\nPlease input 0 to 9 digits only to continue: ";         final String lineAmountError = "Invalid digit!!\nPlease input 0 to 9 digits only to continue: ";         int lineAmount = 0;         // Start of output to console-------------------         welcomeHeader();         // Code below is for the name input-------------------         System.out                 .print("\nPlease enter your full name to continue(A - Z only) ie. Joe Soap: ");         name = input.nextLine();         while (name.length() <= 3 || !name.matches("[a-z A-Z]+")) {             System.out.print(nameError);             name = input.nextLine();         }         //name.length();         // -------------------------------------------------         // Code below is for the mobile #-------------------         System.out                 .print("Please enter your Mobile Number (0-9 digits only (ie. 0871234567): ");         mobile = input.next();         while (mobile.length() != 10 || !mobile.matches("[0-9]+")) {             System.out.print(mobileError);             mobile = input.next();         }         // -------------------------------------------------         // All substring and indexOf code-------------------         // last four digits of mobile #         mobileDigits = (mobile.substring(6, 10));         // capital letters for full name         String nameCaps = Character.toUpperCase(name.charAt(0))                 + name.substring(1);         // split first name for the end of output file message         firstName = nameCaps.substring(0, name.indexOf(" "));         // initials code         initials = nameCaps.substring(0, 1)                 + nameCaps.substring(name.lastIndexOf(" ") + 1).substring(0, 1)                         .toUpperCase();         // -------------------------------------------------                 // code below is for line amount input--------------         System.out.print("\nHow many lotto lines would you like? ");         while (!input.hasNextInt()) {             System.out.print(lineAmountError);             input.next();         }         lineAmount = input.nextInt();         // -------------------------------------------------         // file name information for console         String fileName = "\nC:/Documents and Settings/Lesley/Desktop/lotto_" + initials + "_" + mobileDigits + ".txt";         System.out.print("\nYour lotto numbers are:");         // Start of output file information - This file will save to the package         // folder-------------------         PrintStream out = new PrintStream(new File("C:/Documents and Settings/Lesley/Desktop/lotto_" + initials + "_" + mobileDigits + ".txt"));         out.println("Name: " + nameCaps);         out.println("Contact: " + mobile);         out.println("\n");         out.print("\nYour lotto numbers are:");         // Code for lines-------------------         int lottoLines = 0;         @SuppressWarnings("unused")         int sum = 0;         for (int line = 0; line < lineAmount; line++) {             // This nested section will allow for lotto #'s to line up if the             // lotto line input is a double figure ie: 10 or 12             if (lineAmount > 9) {                 if (line < 9) {                     System.out.print("\nLine " + (line + 1) + ":  ");                     out.println("\n");                     out.print("Line " + (line + 1) + ":  ");                 } else {                     System.out.print("\nLine " + (line + 1) + ": ");                     out.println("\n");                     out.print("Line " + (line + 1) + ": ");                 }             } else {                 System.out.print("\nLine " + (line + 1) + ": ");                 out.println("\n");                 out.print("Line " + (line + 1) + ": ");             }             sum += lottoLines;             {                 // read & store each lotto #'s-------------------                 String results = "";                 int aNumber, numberOfNumbers = 6;                 int counter;                 for (counter = 1; counter <= numberOfNumbers; counter++) {                     aNumber = (int) ((Math.random() * 45) + 1);                     if (aNumber >= 10) {                         results += aNumber + " ";                     } else {                         results += " " + aNumber + " ";                     }                 }                 System.out.print(results);                 out.print(results);             }         }         // -------------------------------------------------         // file name information console print--------------         System.out.print("\n\nYour Lotto Numbers have been saved to:"                 + fileName);         out.println("\n");         out.println("\n");         out.println("Thank you for playing. Best of luck " + firstName + ".");         // -------------------------------------------------         out.close();         input.close();     }     // method for welcome header     public static void welcomeHeader() {         System.out.println("\nWELCOME TO LOTTO QUICKPICK");     } }//End of code---------------------