import java.util.*;
class Peng{
public static void main(String args[])
{ //Double[] num = { 45.1,45.2 };
List dlist=new ArrayList();
dlist.add(45.1);
dlist.add(45.2);
dlist.add(110.22);
Double max = (Double)dlist.get(0);
Double min = (Double)dlist.get(0);
for (int i = 0; i < dlist.size(); i++) {
if (min > (Double)dlist.get(i)) min = (Double)dlist.get(i);
if (max < (Double)dlist.get(i)) max = (Double)dlist.get(i);
}
System.out.println("max的值為" + max + "min的值為" + min);
}
}