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import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class TestClass {
 /**
  * @param args
  */
 public static void main(String[] args) {
  // TODO ×Ô動Éú³É¤µ¤ì¤¿¥á¥½¥Ã¥É?¥¹¥¿¥Ö
  List li = searchCrdNo();
  
  System.out.print("main method now is :"+((Map) li.get(0)).get("AA"));
  
 }
 public static List searchCrdNo() {
  List li = new ArrayList();
  Map ma = new HashMap();
  
  ma.put("AA", "1");
  
  li.add(ma);
 
 
  Map crdNoMap = (Map) li.get(0);
 
  
  crdNoMap.put("AA", "22");
  System.out.print("now is :"+((Map) li.get(0)).get("AA"));
  return li;
 }
}
now is :22main method now is :22
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