class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
        String s = "😂";
        int emoji = Character.codePointAt(s, 0);
        String unumber = "U+" + Integer.toHexString(emoji).toUpperCase();
        System.out.println(s + "  is code point " + unumber);
        String s2 = new String(new int[] { emoji }, 0, 1);
        System.out.println("Code point " + unumber + " converted back to string: " + s2);
        System.out.println("Successful round-trip? " + s.equals(s2));
	}
}