TestAverage 4-13

Post date: Mar 4, 2014 8:13:30 PM

/*

This program demonstrates a nested loop.

 */

package testaverage;

import java.util.Scanner;

public class TestAverage {

    /**

     * @param args the command line arguments

     */

    public static void main(String[] args) {

        // TODO code application logic here

        int numStudents,     // Number of student

            numTests,              // Number of tests per student

            score,                      // Test score

            total;                       // Accumulator for test scores

      double average;       // Average test score

    // Create a Scanner object for keyboard input.

    Scanner keyboard= new Scanner(System.in);

    // Get the number of students.

    System.out.print("How many students do you have? ");

    numStudents = keyboard.nextInt();

    // Get the number of test scores per student.

    System.out.print("How many test scores per student? ");

    numTests =keyboard.nextInt();

    // Process all the students.

    for (int student = 1; student <=numStudents; student++)

    {

    total =0; // Set the accumulator to zero.

    // Get the test scores for a student.

     System.out.println("Student number " + student);

     System.out.println("----------------———");

     for (int test=1; test <= numTests; test++)

     {

        System.out.print("Enter score"+  test+": ");

        score = keyboard.nextInt();

        total+= score; // Add score to total.

     }

     //Calculate and display the average.

     average=total/numTests;

     System.out.printf("The average for student %d is %.1f. \n \n ",

     student, average);

    }

    }

}