|
import java.util.Scanner; public class Avg1 { public static void main(String[] args) { Scanner in = new Scanner(System.in); double a, b, c, d, e; // Hold 5 numbers double avg; System.out.print("Enter a number: "); a = in.nextDouble(); // Read in number System.out.print("Enter a number: "); b = in.nextDouble(); // Read in number System.out.print("Enter a number: "); c = in.nextDouble(); // Read in number System.out.print("Enter a number: "); d = in.nextDouble(); // Read in number System.out.print("Enter a number: "); e = in.nextDouble(); // Read in number avg = (a + b + c + d + e)/5; System.out.println(avg); // Print average } } |
How to run the program:
|
|
|
import java.util.Scanner; public class Avg2 { public static void main(String[] args) { Scanner in = new Scanner(System.in); double[] a ; a = new double[5]; // Define an array of 5 elements double sum, avg; int i; // index for ( i = 0; i <= 4; i++ ) { System.out.print("Enter a number: "); a[i] = in.nextDouble(); // Read in number } /* --------------------------------------------------- Use the "running sum" algorithm to compute total --------------------------------------------------- */ sum = 0.0; for ( i = 0; i <= 4; i++ ) { sum = sum + a[i]; } avg = sum/5; System.out.println(avg); // Print average } } |
How to run the program:
|
|