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  1. import java.util.Random;
  2. class Main
  3. {
  4.     public static void main(String[] args)
  5.     {
  6.         Random r = new Random();
  7.  
  8.         int sum = 0;
  9.         int[] bins = new int[10];
  10.  
  11.         for(int i = 0; i < 100; i++)
  12.         {
  13.             int randomint = 1 + r.nextInt(10);
  14.             sum += randomint;
  15.             bins[randomint-1]++;
  16.             //System.out.print(randomint + ", ");
  17.         }
  18.  
  19.         System.out.println("Sum = " + sum);
  20.  
  21.         System.out.println("Histogram: ");
  22.         for (int i = 0; i < bins.length; i++)
  23.         {
  24.         	int binvalue = bins[i];
  25.  
  26.         	System.out.print((i+1) + ": ");
  27.         	for(int j = 0; j < binvalue; j++)
  28.         	{
  29.         		System.out.print('*');
  30.         	}
  31.         	System.out.println(" (" + binvalue + ")");
  32.         }
  33.     }
  34. }
Success #stdin #stdout 0.11s 320256KB
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stdin
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Standard input is empty
stdout
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Sum = 562
Histogram: 
1: ******** (8)
2: ******** (8)
3: ********* (9)
4: ********* (9)
5: ************* (13)
6: *************** (15)
7: ********* (9)
8: ************ (12)
9: ********* (9)
10: ******** (8)
https://ideone.com/xjBK6i
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
secret

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