Project questions 3

Question

Please help my coding
String rev="";
for(char i:arr)
rev = i+ rev;
System .out println(rev);
}

Answer 1

Print rev only once in the end (after the loop)
What is arr?

Answer 2

public class Program
{
public static void main(String[] args) {
String rev = "";
char[] arr = {'a', 'b', 'c'};
for (char i:arr){
rev = Character.toString(i) + rev;
}
System.out.println(rev);
}
}

Answer 3

Arr means array ..