асд

package TechModule;

        import java.util.Scanner;

public class p03_MethodsPasswordValidator {

    public static boolean isSymbol(String password, int a){
        boolean isSymbol=false;
        for (int i = 0; i < a; i++) {
            if ((password.charAt(i) >= 65 && password.charAt(i) <= 90)
                    ||(password.charAt(i) >= 97 && password.charAt(i) <= 122)
                    ||(password.charAt(i) >= 48 && password.charAt(i) <= 57)){
                isSymbol = true;
            } else {
                isSymbol=false;
                break;}
        }
        return isSymbol;}




    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String password = scanner.nextLine();
        int count = 0;
        boolean isDigit = false;
        boolean passwordCharacters = true;

        boolean symbol=isSymbol(password, password.length());

        if (password.length() > 10 || password.length() < 6) {
            System.out.println("Password must be between 6 and 10 characters");
            passwordCharacters = false;
        }
        for (int i = 0; i < password.length(); i++) {
            if (password.charAt(i) >= 48 && password.charAt(i) <= 57) {
                count++;
                isDigit = true;
            }

        }

        if (symbol == false) {
            System.out.println("Password must consist only of letters and digits");
        }
        if (count <= 2) {
            System.out.println("Password must have at least 2 digits");
        }
        if (passwordCharacters && isDigit && symbol==true) {
            System.out.println("Password is valid");
        }


    }


}
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сетих се ,че мога да превърна всички букви в малки примерно и да премахна проверката за големи букви... обаче, още някъде бъркам ... ???

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Write a program that checks if a given password is valid. Password rules are:
• 6 – 10 characters (inclusive)
• Consists only of letters and digits
• Have at least 2 digits
If a password is valid print “Password is valid”. If it is not valid, for every unfulfilled rule print a message:
• "Password must be between 6 and 10 characters"
• "Password must consist only of letters and digits"
• "Password must have at least 2 digits"
Examples
Input   Output
logIn   Password must be between 6 and 10 characters
Password must have at least 2 digits
MyPass123   Password is valid
Pa$s$s  Password must consist only of letters and digits
Password must have at least 2 digits