برنامه تشخیص رمزعبور قدرتمند با جاوا

public class strongPassword {

    
    private String passwordString;

    public String getPasswordString() {
        return passwordString;
    }

    public void setPasswordString(String passwordString) {
        this.passwordString = passwordString;
    }

    private boolean isEmptyPasswordString() {
        if(getPasswordString().equals("")) {
            return true;
        } else {
            return false;
        }
    }

    private int lengthPasswordString() {
        return getPasswordString().length();
    }

    private boolean isUpperCaseCharacter() {
        int tempCharNum;
        for (char ch : getPasswordString().toCharArray()) {
            tempCharNum = Integer.valueOf(ch);
            if(tempCharNum >= 65 && tempCharNum <= 90) {
                return true;
            } else {
                continue;
            }
        }
        return false;
    }

    private boolean isLowerCaseCharacter() {
        int tempCharNum;
        for (char ch : getPasswordString().toCharArray()) {
            tempCharNum = Integer.valueOf(ch);
            if(tempCharNum >= 97 && tempCharNum <= 122) {
                return true;
            } else {
                continue;
            }
        }
        return false;
    }

    private boolean isNumberCharacter() {
        int tempCharNum;
        for (char ch : getPasswordString().toCharArray()) {
            tempCharNum = Integer.valueOf(ch);
            if(tempCharNum >= 0 && tempCharNum <= 9) {
                return true;
            } else {
                continue;
            }
        }
        return false;
    }

    private boolean isSpecialCharacter() {
        for (char ch : getPasswordString().toCharArray()) {
            if(String.valueOf(ch).equals("!") || String.valueOf(ch).equals("@") || String.valueOf(ch).equals("#") || String.valueOf(ch).equals("$") || String.valueOf(ch).equals("^") || String.valueOf(ch).equals("%") || String.valueOf(ch).equals("&") || String.valueOf(ch).equals("*") || String.valueOf(ch).equals("(") || String.valueOf(ch).equals(")") || String.valueOf(ch).equals("-") || String.valueOf(ch).equals("_") || String.valueOf(ch).equals("+") || String.valueOf(ch).equals("=") || String.valueOf(ch).equals("|") || String.valueOf(ch).equals("/") || String.valueOf(ch).equals("~")) {
                return true;
            } else {
                continue;
            }
        }
        return false;
    }

    public strongPassword() {
        setPasswordString("");
    }

    public strongPassword(String strongPassword) {
        setPasswordString(strongPassword);
    }

    public int isStrong() {
        int rank = 0;
        if(isEmptyPasswordString() == false) {
            if(isLowerCaseCharacter() == true) {
                rank++;
            }
            if(isUpperCaseCharacter() == true) {
                rank++;
            }
            if(isNumberCharacter() == true) {
                rank++;
            }
            if(isSpecialCharacter() == true) {
                rank++;
            }
            if(lengthPasswordString() < 7) {
                rank -= 2;
                if(rank < 0) {
                    rank = 0;
                }
            } else {
                rank++;
            }
        }

        return rank;
    }

}

strongPassword st = new strongPassword("Yy12345^!@D!eaaa");
int passwordStrongRank = st.isStrong();

System.out.println("Your Password Level : " + passwordStrongRank);