Can i use array in programs before the section of array?

#1

i am facing difficulty in a program as without arrays its one test case cannot be fulfilled. what should i do?

#2

you can try this:
import java.util.*;


public class Main {
public static void main(String args[]) {
    Scanner scn = new Scanner(System.in);
    int sum = 0;

    while(sum >= 0&& scn.hasNext()){

        int n = scn.nextInt();
        sum += n;

        if(sum < 0) break;
        System.out.println(n);
    }
}
}
#3

ok thanku mam i got this now.