Does the addition of a colon after x mean the meaning of loop enhancement?

Answer 1

Please rewrite your question eo we can understand it.

Tell us the language and give us a code example of what you're talking about.

Answer 2

like this one in JAVA

public class Program {
public static void main(String[] args) {
int[ ] primes = {2, 3, 5, 7};

for (int t: primes) {
System.out.println(t);
}
}
}