While loop integer until user put 0, sum average ,small,largest.txt

package Lab16;
import java.util.Scanner;
public class Lecture16 
{
 public static void main(String [] args)	
 
 {
	 /*
	 Write a program that reads integers from the keyboard until a user enters zero. Have the program print
•	the sum of all the numbers entered, 
•	the largest number entered, 
•	the smallest number entered. 

	  */

	    int number = 0;
	    int sum = 0;
	    int large = 0;
	    int small = 0;
	    double average;

	    System.out.print("Enter a number : ");
	    Scanner in = new Scanner(System.in);

	    while ((number = in.nextInt()) != 0) 
	    {

	        small = in.nextInt();
	        large = in.nextInt();

	        if (number != 0)
	            sum = number + sum;
	            sum++;

	        if (number > large)
	            large = number;

	        if (number < small)
	            small = number;
	    
 
	       if (number >= 0) {
             
	        average = sum / number;
	        number = sum;

	        System.out.println("The smallest integer is: " + small);
	        System.out.println("The largest integer is: " + large);
	        System.out.println("Total number of integers entered is " + number);
	        System.out.println("The average value is: " + average);
	       } else
	       

	            System.out.println();
}
}}