 # Gradebook Using Java Programming

## Question

Make a Gradebook. It needs to have student numbers(random(index)) and random generated scores (also A->F). They need to be sorted and sum up at the bottom. How many got A, how many got B and so on. The class average also needs to be printed. The number of students is 20 and the scores are 0-200.
It has to print out so that every time
A. 10%
B. 25%
C. 30%
D. 25%
E. 10%
and of course every student that gets 30 points or less gets an F.

## Solution Preview

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public class Gradebook {

public static void main(String[] args)
{
int[] stuNums = new int;
int[] scores = new int;
int[] gradeCount = new int;
int total = 0;
double average;
boolean swapped;
for(int i = 0; i < 20; i++)
{
stuNums[i] = (int)(Math.random()*Integer.MAX_VALUE);
double val = Math.random();
if(i < 2)
scores[i] = (int)(Math.random() * 20) + 180;
else if(i < 7)
scores[i] = (int)(Math.random() * 38) + 141;
else if(i < 12)
scores[i] = (int)(Math.random() * 50) + 90;
else if(i < 17)
scores[i] = (int)(Math.random() * 41) + 48;
else if(i < 19)
scores[i] = (int)(Math.random() * 17) + 30;
else
scores[i] = (int)(Math.random() * 30);
total += scores[i];
}
average = total/20.0;
for(int i = 0; i < 6; i++)
gradeCount[i] = 0;
do
{...
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