I keep getting an error at the very end once I enter my first last and password!

Question

I keep getting an error at the very end once I enter my first last and password! Anyone know what the problem is?

**Exception in thread "main" java.util.NoSuchElementException: No line found

Code Starts HERE:

//Austin Deering, Program 2 Assignment, 3/18/2018, Learning how to create usernames and validating psswords.

import java.util.Scanner;
import java.io.File;
import java.io.*;

public class ProgramTwo {

/**
* @param args the command line arguments
*/
public static void main(String[] args) {

// TO DO code application logic here
//scanner object
Scanner sc = new Scanner(System.in);

System.out.println("Enter your first name: ");
String fname = sc.nextLine();
System.out.println("Enter your last name: ");
String lname = sc.nextLine();

//appending the first character
String username = lname + fname.charAt(0);

if(username.length() < 5){
//appending second character
username += fname.charAt(1);
}
username = username.toLowerCase();
String password;

while(true){
System.out.println("Enter a password: ");
password = sc.nextLine();
//flag variables for keeping track of all the requirements
int len_flag = 0, upper_flag = 0, lower_flag = 0, digit_flag = 0;
int punct_flag = 0;
//checking length
if(password.length() >= 8)
len_flag = 1;

for(int i = 0; i < password.length(); i++){
//check if it is a upper case
if(Character.isUpperCase(password.charAt(i))){
upper_flag = 1;
}
//check if it is a lower case
if(Character.isLowerCase(password.charAt(i))){
lower_flag = 1;
}
//check if it is a digit
if(Character.isDigit(password.charAt(i))){
digit_flag = 1;
}
int ascii = password.charAt(i);

//check if it is a punctuation
if(ascii >= 33 && ascii <= 47)
punct_flag = 1;

}
//used to keep track if password exists in the file
int file_flag = 0;
try{
File file = new File("/home/This PC/documents/badpasswords.txt");
Scanner scan = new Scanner(file);

//loop till there exists a new line in the file
while (scan.hasNextLine()){
try{
//load the password from file
String temp_password = scan.next();
temp_password = temp_password.toLowerCase();
//compare to check if it matches with the entered password
if(password == temp_password){
file_flag = 1;
  
}
//System.out.println(temp_password);
}
catch(Exception e){
  
break;
}
  
}

}
catch(IOException exception){
System.out.println("exception");
}

//break if all the conditions are met
if(file_flag == 0 && upper_flag == 1 && lower_flag == 1 && digit_flag == 1 && punct_flag == 1){
System.out.println("Successfully set the password!");
System.out.println("Username: "+username);
break;
}
  
}
  
}
  
}

//output

Explanation / Answer

//Austin Deering, Program 2 Assignment, 3/18/2018, Learning how to create usernames and validating psswords. import java.util.Scanner; import java.io.File; import java.io.*; public class ProgramTwo { /** * @param args the command line arguments */ public static void main(String[] args) { // TO DO code application logic here //scanner object Scanner sc = new Scanner(System.in); System.out.println("Enter your first name: "); String fname = sc.nextLine(); System.out.println("Enter your last name: "); String lname = sc.nextLine(); //appending the first character String username = lname + fname.charAt(0); if(username.length() < 5){ //appending second character username += fname.charAt(1); } username = username.toLowerCase(); String password; while(true){ System.out.println("Enter a password: "); password = sc.nextLine(); //flag variables for keeping track of all the requirements int len_flag = 0, upper_flag = 0, lower_flag = 0, digit_flag = 0; int punct_flag = 0; //checking length if(password.length() >= 8) len_flag = 1; for(int i = 0; i = 33 && ascii

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