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If your tutor or assignment advises to use a for loop you may want something like this:

Scanner input = new Scanner (System.in);
int count, n, sum = 0;
//count is number of...

Ah right, for some reason i thought he wanted to type in 3 grades.

I dont see the need for a loop in this.

A much simpler way would be this:


int grade1, grade2, grade3;

System.out.println("Enter 3 grades to find average: ");
Scanner scan...