What is the output of this program? public class array

What is the output of this program?

public class array_output {
        public static void main(String args[]) 
        {    
            char array_variable [] = new char[10];
            for (int i = 0; i < 10; ++i) {
                array_variable[i] = 'i';
                System.out.print(array_variable[i] + "" );
                i++;
            }
        } 
    }

Course Name: Java

1]
i i i i i
2]
0 1 2 3 4
3]
i j k l m
4]
None of the mentioned

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