Answer:
import java.util.*; 
public class BarChart 
 { 
 public static void main(String args[]) 
 { 
 int arr[]=new int[5]; 
 Scanner sc=new Scanner(System.in); 
 for(int i=0;i<5;i++) 
 { 
 while(true){ 
 System.out.println("Enter today's sale for store "+(i+1)+" (negative value not allowed)"); 
 arr[i]=sc.nextInt(); 
if(arr[i]>0) 
 break; 
 } 
 } 
 System.out.println("SALES BAR CHART"); 
 for(int i=0;i<5;i++) 
 { 
 System.out.println("Store "+(i+1)+": "); 
 for(int j=0;j<arr[i];j=j+100) 
 { 
System.out.print("*"); 
} 
 System.out.println(""); 
 } 
 } 
 }