1) Is there any errors? 2) Modify this program so that is also gives us: (a) num

two errors. n = input.nextInt(); grade = input.nextInt() cannot find symbol

ID: 646782 • Letter: 1

Question

1) Is there any errors?

2) Modify this program so that is also gives us:

(a) number of grades >= 90

(b) number of grades >= 80 and less than 90

(d) number of grades >= 60 and less than 70

(e) number of grades >= 50 and less than 60

(f) number of grades >= 40 and less than 50

..... etc

import java.util.Scanner;

public class Lab7

{

public static void main(String args [])

{

int i, sum, n, grade;

double avg;

sum=0;

System.out.println("enter number of students:");

n=input.nextInt();

for (i=1; i<=n; i++) {

System.out.print("enter a grade:");

grade=input.nextInt();

sum=sum+grade;

}

avg=(double) sum/n;

System.out.println("average is: " + avg);

}

two errors.

n = input.nextInt();

grade = input.nextInt()

cannot find symbol

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