└── password generator-java


/password generator-java:
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 1 | 
 2 | 
 3 | import java.util.Random;
 4 | 
 5 | public class PasswordGenerator {
 6 |     public static void main(String[] args) {
 7 |         int passwordLength = 12; // You can change the length as needed
 8 |         String generatedPassword = generatePassword(passwordLength);
 9 |         System.out.println("Generated Password: " + generatedPassword);
10 |     }
11 | 
12 |     public static String generatePassword(int length) {
13 |         String upperCaseLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
14 |         String lowerCaseLetters = "abcdefghijklmnopqrstuvwxyz";
15 |         String numbers = "0123456789";
16 |         String specialCharacters = "!@#$%^&*()-_=+<>?";
17 |         String allCharacters = upperCaseLetters + lowerCaseLetters + numbers + specialCharacters;
18 | 
19 |         Random random = new Random();
20 |         StringBuilder password = new StringBuilder();
21 | 
22 |         // Ensure at least one character from each category
23 |         password.append(upperCaseLetters.charAt(random.nextInt(upperCaseLetters.length())));
24 |         password.append(lowerCaseLetters.charAt(random.nextInt(lowerCaseLetters.length())));
25 |         password.append(numbers.charAt(random.nextInt(numbers.length())));
26 |         password.append(specialCharacters.charAt(random.nextInt(specialCharacters.length())));
27 | 
28 |         // Fill the rest of the password length with random characters
29 |         for (int i = 4; i < length; i++) {
30 |             password.append(allCharacters.charAt(random.nextInt(allCharacters.length())));
31 |         }
32 | 
33 |         // Shuffle the password for randomness
34 |         return shuffleString(password.toString());
35 |     }
36 | 
37 |     private static String shuffleString(String input) {
38 |         char[] characters = input.toCharArray();
39 |         Random random = new Random();
40 |         for (int i = 0; i < characters.length; i++) {
41 |             int randomIndex = random.nextInt(characters.length);
42 |             char temp = characters[i];
43 |             characters[i] = characters[randomIndex];
44 |             characters[randomIndex] = temp;
45 |         }
46 |         return new String(characters);
47 |     }
48 | }
49 | 
50 | 


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