Whаt is the оutput оf the fоllowing code? public clаss Test { public stаtic void main(String[] args) { String s1 = "118-45-9271"; String s2 = ""; for (int i = 0; i < s1.length; i++) { if (s1.charAt(i) != '-') s2 += s1.charAt(i); } System.out.println(s2); }}