ZeroLengthCharacter

public class ZeroLengthCharacter {
    public static void main(String[] args) throws Exception {

        final String zeroLengthString = "";
        System.out.println("Zero length string = '" + zeroLengthString + "'");

        final char zeroWidthCharacter = '\u200B';
        System.out.println("Zero width character = '" + zeroWidthCharacter + "'");

        final String oneCharZeroWidthString = "" + zeroWidthCharacter;
        System.out.println("Single character String with zero display width = '" + oneCharZeroWidthString + "'   (length=" + oneCharZeroWidthString.length() + " char)");
        final byte[] bytes = oneCharZeroWidthString.getBytes("UTF-8");
        System.out.println("  = " + bytes.length + " bytes, when encoded in UTF-8 format.");

        System.out.print("Nothing to see here:  '");
        System.out.print("");   // <---<<<  Pointless line of code that doesn't do anything but waste time and space:
        System.out.println("'   Move along.");
    }
}

/* Output:

...\java ... ZeroLengthCharacter
Zero length string = ''
Zero width character = '​'
Single character String with zero display width = '​'   (length=1 char)
  = 3 bytes, when encoded in UTF-8 format.
Nothing to see here:  ''   Move along.

Process finished with exit code 0

*/