public static void compareCharacters(char c1,char c2){
    int cmp=Character.compare(c1,c2);
      if(cmp>0){
        System.out.println(c1+">"+c2);
    }else if(cmp<0){
        System.out.println(c1+"<"+c2);
    }else{
        System.out.println(c1+"="+c2);
    }
}