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  1.  
  2.  import java.util.Scanner;
  3. public class Password
  4. {
  5.  
  6.     public static void main (String[]args) 
  7. { 
  8.  
  9.    Scanner input = new Scanner(System.in);
  10.    String password;
  11.    boolean passwordlength = false;
  12.    boolean haslowercase = false;
  13.    boolean hasuppercase = false;
  14.    boolean hasdigit = false;
  15.    int i; 
  16.  
  17.   do
  18.  
  19.   {do 
  20.   { System.out.print("Enter your password:");
  21.   password = input.nextLine();  
  22.  
  23.  
  24.  
  25.  
  26.  for (i = 0; i <password.length();i++)
  27.  
  28.  {
  29.       Character c = password.charAt(i);
  30.  
  31.   if (Character.isLowerCase(c))
  32.      {haslowercase=true;}
  33.  
  34.   if (Character.isUpperCase(c))
  35.      {hasuppercase=true;}
  36.  
  37.   if (Character.isDigit(c))
  38.      {hasdigit=true;}    
  39.  
  40.   if (password.length()>=6)
  41.       {passwordlength=true;}
  42.  
  43. } 
  44.  
  45.  { if (haslowercase==false)
  46.         System.out.println("Password needs to contain at least one lowercase letter");
  47.    if (hasuppercase==false) 
  48.         System.out.println("Password needs to contain at least one uppercase letter");
  49.    if (hasdigit==false)
  50.        System.out.println("Password needs to contain at least one digit");
  51.    if (passwordlength==false)
  52.        System.out.println("Password needs to have 6 or more characters");}
  53.  
  54.   }
  55.  
  56.   while (haslowercase==false||hasuppercase==false||hasdigit==false||passwordlength==false);
  57.  
  58.  
  59.  
  60.   if (haslowercase==true&&hasuppercase==true&&hasdigit==true&&passwordlength==true)
  61.  System.out.print("Enter password again to verify");
  62.     String password2 = input.next();
  63.  
  64.     {if (password.equals(password2)) 
  65.     System.out.print("You have entered a valid password");
  66.      else
  67.         System.out.print("Password does not match. Start over");}
  68. }
  69.  
  70. while (!password.equals(password2));
  71. }
  72. }
  73.  
  74.  
  75.  
  76.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:3: error: class Password is public, should be declared in a file named Password.java
public class Password
       ^
Main.java:70: error: cannot find symbol
while (!password.equals(password2));
                        ^
  symbol:   variable password2
  location: class Password
2 errors
stdout
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Standard output is empty
https://ideone.com/41oszp
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
secret

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