NC65 list工具类

package nc.vo.pf.util;

import java.lang.reflect.Array;
import java.util.List;

public class ListUtil {

  private ListUtil() {
    super();
  }
  
  
  public static  boolean isEmpty(List list) {
    if ((list == null) || (list.size() == 0)) {
      return true;
    }
    return false;

  }

  
  @SuppressWarnings("unchecked")
  public static  E[] toArray(List list) {
    if (ListUtil.isEmpty(list)) {
      return null;
    }
    E notNullItem = null;
    boolean find = false;
    for (E e : list) {
      if (find) {
        break;
      }
      if (e != null) {
        notNullItem = e;
        find = true;
      }
    }
    
    E[] result = null;
    if (notNullItem != null) {
      result = (E[]) Array.newInstance(notNullItem.getClass(), list.size());
      result = list.toArray(result);
    }
    return result;
  }

}