asdf.java

private static final char[] SPECIAL = "$!+\-#?_%&/".toCharArray();
private static final char[] NUMBER = "0123456789".toCharArray();


public static boolean checkValidation(String password)
{
    int points = 0;
    String lowerPass = password.toLowerCase();
    String upperPass = password.toUpperCase();
    if(!password.equals(lowerPass) && !password.equals(upperPass))
    {
        // if contains upper or lower letter
        points++;
    }

    if(contains(password, SPECIAL))
    {
        // if it contains special character
        points++;
    }
    if(contains(password, NUMBER))
    {
        // if it contains Number
        points++;
    }

    return points >= 2;
}


public static boolean contains(String pwd, char[] value)
{
    int i = 0;
    boolean success = false;
    while(i < value.length && !success)
    {
        if(pwd.indexOf(""+value[i]) != -1)
        {
            success = true;
        }
        i++;
    }
    return success;
}