4-1 Sum_average

Post date: Feb 2, 2014 6:14:29 PM

//Write a java program that reads N integer numbers from the keyboard then calculate sum and average of them.

package sum_average;

import java.util.Scanner;//Needed for class Scanner

public class Sum_average

{

public static void main(String[] args)

{

//---Create a class Scanner for inputting data.---

Scanner Keyboard=new Scanner(System.in);

//---Print Enter the value of n : on the screen.---

System.out.print("Enter the value of n : ");

/*---N : represent numbers of inputting data from keyboard.---

---initial : take the initial value 1.---

---sum : represent sum of all numbers you entered from keyboard.---*/

int N=Keyboard.nextInt(),initial=1,sum=0;

while(initial<=N)

{

System.out.print("Enter number"+initial+" : ");

sum+=Keyboard.nextInt();

initial++;

}

double average=sum/(double)N;

System.out.printf("\nSum=%d\nAverage=%f\n",sum,average);

}

}