Please I don’t understand the purpose of the second loop

Question

I do have an array of objects(a counter type)
And the increment the value of the array by 1
—I do want to print the sum of the array
It gives 4950 as a results
—I don’t understand the purpose of the second loop for (j=0;j<I;j++)
Why J is inferior than I
I don’t get it…
https://code.sololearn.com/cCJA1ooJZNWL/?ref=app

Answer 1

// I hope this will be of some help
int[] tab = new int[100];
Counter c = new Counter();
for(int i=0;i<100;i++){
c.up();
tab[i] = c.getValue();
sum= sum + tab[i];
}

Answer 2

I think there is error regarding to constructor.
1+(1+1) +(1+1+1) +(1+1+1+1) +.......
This is the output the program is going to produce .. Run from urself u may get idea by observing the output