条形图打印程序。

public class Main 

{//来自 n o w  j a v a  . c o m

   public static void main(String[] args)

   {

      int[] array = {0, 0, 0, 1, 0, 0, 1, 2, 4, 2, 1};


      System.out.println("Grade distribution:"); 


      // for each array element, output a bar of the chart

      for (int counter = 0; counter < array.length; counter++) 

      {

         // output bar label ("00-09: ", ..., "90-99: ", "100: ")

         if (counter == 10)

            System.out.printf("%5d: ", 100); 

         else/*来自 时代Java - nowjava.com*/

            System.out.printf("%02d-%02d: ", 

               counter * 10, counter * 10 + 9); 

 

         // print bar of asterisks

         for (