lab5Pseudocode2.java

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 package assignment;

  import java.util.Scanner;

  /**
  *
  * @author
  */
 public class Pseudocode2 {
     public static void main(String [] args){

      int counter,grade,total;
     float average;

      Scanner input = new Scanner(System.in);;

      total=0;
     counter=0;

      System.out.println("Enter grade, -1 to end: ");
     grade = input.nextInt();   

      while(grade != -1){

              System.out.println("Enter grade, -1 to end: ");
              grade = input.nextInt();                   

               total=total+grade;
              counter=counter+1;  

               System.out.println("Enter grade, -1 to end: ");
              grade = input.nextInt(); 
         }

 
 
          if (counter !=0){
              average = (float)total/counter;

               System.out.println("Class average is : "+average);            
         }
         else{
         System.out.println("No grades were entered: ");
         }

      }
}