SWS Experiment no 5

Aim- To Design and implement a program for adding passwords to a file.

The program should be  able to filter out weak passwords (based on dictionary words or variants) and store the strong passwords by creating a hash of user ID and password.

output

import java.util.*;

import java.lang.String;

import java.lang.Character;

public class CheckingPassword {

public static void main(String[] args) {

Scanner input = new Scanner(System.in);

System.out.print("Please enter a Password: ");

String password = input.next();

if (isValid(password)) {

System.out.println("Valid Password");

} else {

System.out.println("Invalid Password");

}}

public static boolean isValid(String password) {

if (password.length() < 8) {

return false;

} else {

char c;

int count = 1;

for (int i = 0; i < password.length() - 1; i++) {

c = password.charAt(i);

if (!Character.isLetterOrDigit(c)) {

return false;

} else if (Character.isDigit(c)) {

count++;

if (count < 2) {

return false;

} } } }

return true;

} }

OUTPUT

C:\Users\MGMCET IT\Documents>javac CheckingPassword.java

C:\Users\MGMCET IT\Documents>java CheckingPassword

Please enter a Password: vardhan

Invalid Password

C:\Users\MGMCET IT\Documents>java CheckingPassword

Please enter a Password: vardhaN456

Valid Password

C:\Users\MGMCET IT\Documents>java CheckingPassword

Please enter a Password:

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