Method main

10_Backtracking/FindSubsets.java:34–39

(String args[])

        findSubsets(str, i+1, ans+str.charAt(i));
    }
    public static void main(String args[]) {
        String str = "abc";
        findSubsets(str, 0, new StringBuilder(""));
        System.out.println("--------------------");
        findSubsets(str, 0, "");
    }
}