rolldie.java

《JAVA程序设计教程》里的源代码

// RollDie.java
// 掷一个六面骰子6000次的程序
import javax.swing.*;

public class RollDie {
   public static void main( String args[] )
   {
      int frequency[], face;
      frequency=new int[7];
      // 结果的概率
      for ( int roll = 1; roll <= 6000; roll++ ) 
      {
         face = 1 + (int) ( Math.random() * 6 );
         frequency[face]++;
         }
              
         for (int i=1;i<=6;i++)
          System.out.print("frequency("+i+") \t"+frequency[i]+"\n");	
         
      }
    }