if (strA.compareTo(strB) >= 0)

class  strCompare
{
    public static void main(String[] args) 
    {
        String strA="33";
        String strB="32";
        if (strA.compareTo(strB) >= 0) {
            System.out.println(strA + ">=" +strB);
        }else{
            System.out.println(strA + "<" +strB);
        }
    }
}
//33>=32