Added Password Manager

Author: trishit78

Password Manager.java

@@ -0,0 +1,66 @@
+import java.util.ArrayList;
+import java.util.Scanner;
+
+class PasswordEntry {
+    private String website;
+    private String username;
+    private String password;
+
+    public PasswordEntry(String website, String username, String password) {
+        this.website = website;
+        this.username = username;
+        this.password = password;
+    }
+
+    // Getters and setters for password entry details
+}
+
+public class PasswordManagerApp {
+    private static ArrayList<PasswordEntry> passwordEntries = new ArrayList<>();
+    private static String masterPassword;
+
+    public static void main(String[] args) {
+        // Implement a login system using the master password
+        // If the user logs in successfully, proceed to the password manager interface
+
+        Scanner scanner = new Scanner(System.in);
+
+        while (true) {
+            displayMenu();
+            int choice = scanner.nextInt();
+            scanner.nextLine();  // Consume newline character
+
+            switch (choice) {
+                case 1:
+                    addPasswordEntry(scanner);
+                    break;
+                case 2:
+                    viewPasswordEntries();
+                    break;
+                case 3:
+                    generatePassword(scanner);
+                    break;
+                case 4:
+                    changeMasterPassword(scanner);
+                    break;
+                case 5:
+                    System.out.println("Goodbye!");
+                    System.exit(0);
+                default:
+                    System.out.println("Invalid choice. Please try again.");
+            }
+        }
+    }
+
+    // Implement methods for adding, viewing, generating, and managing password entries
+
+    private static void displayMenu() {
+        System.out.println("\nPassword Manager");
+        System.out.println("1. Add a new password entry");
+        System.out.println("2. View password entries");
+        System.out.println("3. Generate a new password");
+        System.out.println("4. Change master password");
+        System.out.println("5. Exit");
+        System.out.print("Enter your choice: ");
+    }
+}