Whats wrong with my code?

Question

import java.util.Scanner;
public class Program{
public static void main(String [] args){
Scanner sc = new Scanner(System.in);
String str = sc.nextLine();
String [] words = str.split(" ");
String[] newWords = new String[words.length];
int i=0;
for(String word : words){
char ch = word.charAt(0);
newWords[i] = word.replace(ch, '\u0000') + ch + "ay";
i++;
}
String newSentence = String.join(" ", newWords);
System.out.println(newSentence);
sc.close();
}
}

Answer 1

I.K.I.A.T.L ,
see my comments and modifications in the file:
https://code.sololearn.com/cOoozgGm65N3/?ref=app

Answer 2

I.K.I.A.T.L ,
i did not step very deep in your code, you can use both codes in an online debugger to see the difference.

Answer 3

Lothar
But what's wrong with my code ?!

Answer 4

In the line for (String : words) its bad, the correct one would be for(String words; words)