sliding sum

public static void main(String[] args) {
        // TODO code application logic here
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int sum = sc.nextInt();
        int [] nums = new int[n];

        for(int i=0; i<n;i++){
            nums[i] =sc.nextInt();
        }
        sc.close();
        /*
        for(int i=0; i<n;i++){
            System.out.println(nums[i]);
        }
        */
        int currentSum = nums[0];
        int max = 0;
        int i= 0;
        int j = i+1;
        while(i<n-1 && j<n)
        {
            currentSum += nums[j];
            j++;
            if(currentSum > sum)
            {
                currentSum -= nums[i];
                i++;
            }
            else{
               max = Math.max(max,currentSum);
            }
        }

        System.out.println("Max Sum: "+ max);