?? shuffletest.java
字號:
/**
@version 1.00 1999-07-07
@author Cay Horstmann
*/
import java.util.*;
/**
This program demonstrates the random shuffle and sort
algorithms.
*/
public class ShuffleTest
{
public static void main(String[] args)
{
List numbers = new ArrayList(49);
for (int i = 1; i <= 49; i++)
numbers.add(new Integer(i));
Collections.shuffle(numbers);
List winningCombination = numbers.subList(0, 6);
Collections.sort(winningCombination);
System.out.println(winningCombination);
}
}
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