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‎Password_Generator/Password Generator/bin/Alphabet.class

1.24 KB
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‎Password_Generator/Password Generator/bin/Generator.class

5.22 KB
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‎Password_Generator/Password Generator/bin/GeneratorTest.class

1.99 KB
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‎Password_Generator/Password Generator/bin/Password.class

1.86 KB
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‎Password_Generator/Password Generator/src/Alphabet.java

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public class Alphabet {
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public static final String UPPERCASE_LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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public static final String LOWERCASE_LETTERS = "abcdefghijklmnopqrstuvwxyz";
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public static final String NUMBERS = "1234567890";
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public static final String SYMBOLS = "!@#$%^&*()-_=+\\/~?";
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private final StringBuilder pool;
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public Alphabet(boolean uppercaseIncluded, boolean lowercaseIncluded, boolean numbersIncluded, boolean specialCharactersIncluded) {
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pool = new StringBuilder();
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if (uppercaseIncluded) pool.append(UPPERCASE_LETTERS);
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if (lowercaseIncluded) pool.append(LOWERCASE_LETTERS);
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if (numbersIncluded) pool.append(NUMBERS);
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if (specialCharactersIncluded) pool.append(SYMBOLS);
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}
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public String getAlphabet() {
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return pool.toString();
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}
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}

‎Password_Generator/Password Generator/src/Generator.java

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import java.util.Objects;
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import java.util.Scanner;
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public class Generator {
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Alphabet alphabet;
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public static Scanner keyboard;
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public Generator(Scanner scanner) {
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keyboard = scanner;
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}
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public Generator(boolean IncludeUpper, boolean IncludeLower, boolean IncludeNum, boolean IncludeSym) {
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alphabet = new Alphabet(IncludeUpper, IncludeLower, IncludeNum, IncludeSym);
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}
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public void mainLoop() {
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System.out.println("Welcome to Ziz Password Services :)");
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printMenu();
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String userOption = "-1";
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while (!userOption.equals("4")) {
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userOption = keyboard.next();
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switch (userOption) {
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case "1" -> {
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requestPassword();
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printMenu();
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}
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case "2" -> {
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checkPassword();
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printMenu();
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}
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case "3" -> {
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printUsefulInfo();
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printMenu();
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}
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case "4" -> printQuitMessage();
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default -> {
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System.out.println();
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System.out.println("Kindly select one of the available commands");
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printMenu();
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}
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}
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}
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}
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private Password GeneratePassword(int length) {
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final StringBuilder pass = new StringBuilder("");
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final int alphabetLength = alphabet.getAlphabet().length();
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int max = alphabetLength - 1;
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int min = 0;
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int range = max - min + 1;
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for (int i = 0; i < length; i++) {
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int index = (int) (Math.random() * range) + min;
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pass.append(alphabet.getAlphabet().charAt(index));
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}
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return new Password(pass.toString());
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}
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private void printUsefulInfo() {
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System.out.println();
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System.out.println("Use a minimum password length of 8 or more characters if permitted");
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System.out.println("Include lowercase and uppercase alphabetic characters, numbers and symbols if permitted");
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System.out.println("Generate passwords randomly where feasible");
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System.out.println("Avoid using the same password twice (e.g., across multiple user accounts and/or software systems)");
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System.out.println("Avoid character repetition, keyboard patterns, dictionary words, letter or number sequences," +
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"\nusernames, relative or pet names, romantic links (current or past) " +
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"and biographical information (e.g., ID numbers, ancestors' names or dates).");
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System.out.println("Avoid using information that the user's colleagues and/or " +
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"acquaintances might know to be associated with the user");
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System.out.println("Do not use passwords which consist wholly of any simple combination of the aforementioned weak components");
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}
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private void requestPassword() {
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boolean IncludeUpper = false;
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boolean IncludeLower = false;
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boolean IncludeNum = false;
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boolean IncludeSym = false;
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boolean correctParams = false;
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System.out.println();
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System.out.println("Hello, welcome to the Password Generator :) answer"
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+ " the following questions by Yes or No \n");
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do {
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System.out.println("Do you want Lowercase letters \"abcd...\" to be used? ");
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String input = keyboard.nextLine();
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if (isInclude(input)) IncludeLower = true;
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System.out.println("Do you want Uppercase letters \"ABCD...\" to be used? ");
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input = keyboard.nextLine();
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if (isInclude(input)) IncludeUpper = true;
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System.out.println("Do you want Numbers \"1234...\" to be used? ");
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input = keyboard.nextLine();
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if (isInclude(input)) IncludeNum = true;
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System.out.println("Do you want Symbols \"!@#$...\" to be used? ");
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input = keyboard.nextLine();
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if (isInclude(input)) IncludeSym = true;
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//No Pool Selected
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if (!IncludeUpper && !IncludeLower && !IncludeNum && !IncludeSym) {
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System.out.println("You have selected no characters to generate your " +
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"password at least one of your answers should be Yes");
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correctParams = true;
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}
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System.out.println("Great! Now enter the length of the password");
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int length = keyboard.nextInt();
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final Generator generator = new Generator(IncludeUpper, IncludeLower, IncludeNum, IncludeSym);
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final Password password = generator.GeneratePassword(length);
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System.err.println("Your generated password -> " + password);
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} while (correctParams);
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}
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private boolean isInclude(String Input) {
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if (Input.equalsIgnoreCase("yes")) {
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return true;
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} else {
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if (!Input.equalsIgnoreCase("no")) {
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PasswordRequestError();
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}
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return false;
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}
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}
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private void PasswordRequestError() {
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System.out.println("You have entered something incorrect let's go over it again \n");
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}
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private void checkPassword() {
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String input;
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final Scanner in = new Scanner(System.in);
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System.out.print("\nEnter your password:");
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input = in.nextLine();
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final Password p = new Password(input);
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System.out.println(p.calculateScore());
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in.close();
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}
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private void printMenu() {
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System.out.println();
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System.out.println("Enter 1 - Password Generator");
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System.out.println("Enter 2 - Password Strength Check");
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System.out.println("Enter 3 - Useful Information");
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System.out.println("Enter 4 - Quit");
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System.out.print("Choice:");
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}
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private void printQuitMessage() {
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System.out.println("Closing the program bye bye!");
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}
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}

‎Password_Generator/Password Generator/src/GeneratorTest.java

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import static org.junit.jupiter.api.Assertions.*;
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import org.junit.jupiter.api.Test;
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class GeneratorTest {
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private final Password password= new Password("Secret");
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private final Alphabet firstAlphabet = new Alphabet(true,false,false,false);
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private final Alphabet secondAlphabet = new Alphabet(false,true,true,true);
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private final Generator generator = new Generator(true,false,false,false);
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// private final Password generatedPassword = generator.GeneratePassword(4);
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@Test
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void test1() {
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assertEquals("Secret", password.toString());
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}
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@Test
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void test2() {
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assertEquals(firstAlphabet.getAlphabet(), Alphabet.UPPERCASE_LETTERS);
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}
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@Test
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void test3() {
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assertEquals(secondAlphabet.getAlphabet(), Alphabet.LOWERCASE_LETTERS + Alphabet.NUMBERS + Alphabet.SYMBOLS);
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}
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@Test
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void test4() {
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assertEquals(generator.alphabet.getAlphabet(), Alphabet.UPPERCASE_LETTERS);
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}
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@Test
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void test5() {
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assertEquals(generator.alphabet.getAlphabet().length(), 26);
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}
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}

‎Password_Generator/Password Generator/src/Main.java

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import java.util.Scanner;
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public class Main {
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public static final Scanner keyboard = new Scanner(System.in);
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public static void main(String[] args) {
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Generator generator = new Generator(keyboard);
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generator.mainLoop();
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keyboard.close();
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}
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}

‎Password_Generator/Password Generator/src/Password.java

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public class Password {
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String Value;
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int Length;
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public Password(String s) {
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Value = s;
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Length = s.length();
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}
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public int CharType(char C) {
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int val;
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// Char is Uppercase Letter
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if ((int) C >= 65 && (int) C <= 90)
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val = 1;
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// Char is Lowercase Letter
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else if ((int) C >= 97 && (int) C <= 122) {
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val = 2;
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}
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// Char is Digit
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else if ((int) C >= 60 && (int) C <= 71) {
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val = 3;
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}
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// Char is Symbol
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else {
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val = 4;
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}
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return val;
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}
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public int PasswordStrength() {
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String s = this.Value;
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boolean UsedUpper = false;
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boolean UsedLower = false;
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boolean UsedNum = false;
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boolean UsedSym = false;
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int type;
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int Score = 0;
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for (int i = 0; i < s.length(); i++) {
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char c = s.charAt(i);
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type = CharType(c);
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if (type == 1) UsedUpper = true;
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if (type == 2) UsedLower = true;
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if (type == 3) UsedNum = true;
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if (type == 4) UsedSym = true;
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}
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if (UsedUpper) Score += 1;
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if (UsedLower) Score += 1;
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if (UsedNum) Score += 1;
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if (UsedSym) Score += 1;
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if (s.length() >= 8) Score += 1;
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if (s.length() >= 16) Score += 1;
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return Score;
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}
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public String calculateScore() {
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int Score = this.PasswordStrength();
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if (Score == 6) {
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return "This is a very good password :D check the Useful Information section to make sure it satisfies the guidelines";
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} else if (Score >= 4) {
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return "This is a good password :) but you can still do better";
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} else if (Score >= 3) {
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return "This is a medium password :/ try making it better";
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} else {
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return "This is a weak password :( definitely find a new one";
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}
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}
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@Override
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public String toString() {
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return Value;
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}
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}

‎Password_Generator/Password-Generator.iml

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<?xml version="1.0" encoding="UTF-8"?>
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<module type="JAVA_MODULE" version="4">
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<component name="NewModuleRootManager" inherit-compiler-output="true">
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<exclude-output />
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<content url="file://$MODULE_DIR$">
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<sourceFolder url="file://$MODULE_DIR$/Password Generator/src" isTestSource="false" />
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</content>
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<orderEntry type="inheritedJdk" />
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<orderEntry type="sourceFolder" forTests="false" />
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<orderEntry type="module-library">
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<library name="JUnit5.8.1">
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<CLASSES>
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.8.1/junit-jupiter-5.8.1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.8.1/junit-jupiter-api-5.8.1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.8.1/junit-platform-commons-1.8.1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.2/apiguardian-api-1.1.2.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.8.1/junit-jupiter-params-5.8.1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.8.1/junit-jupiter-engine-5.8.1.jar!/" />
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<root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.8.1/junit-platform-engine-1.8.1.jar!/" />
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</CLASSES>
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<JAVADOC />
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<SOURCES />
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</library>
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</orderEntry>
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</component>
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</module>

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