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 泡牛吧!

             　　　　　                     希望越来越多的光棍能够泡到牛

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import java.util.*;
public class Listtest
{
	public static void main(String args[])
	{
		String n[]={"A","2","3","4"};
		
		List l=Arrays.asList(n);
		Collections.sort(l);
		System.out.println(l);
	}
}