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//: annotations/PasswordUtils.java

import java.util.*;

public class PasswordUtils {

@UseCase(id = 47, description =

"Passwords must contain at least one numeric")

public boolean validatePassword(String password) {

return (password.matches("\\w*\\d\\w*"));

}

@UseCase(id = 48)

public String encryptPassword(String password) {

return new StringBuilder(password).reverse().toString();

}

@UseCase(id = 49, description =

"New passwords can't equal previously used ones")

public boolean checkForNewPassword(

List<String> prevPasswords, String password) {

return !prevPasswords.contains(password);

}

} ///:~