T taizi Unregistered / Unconfirmed GUEST, unregistred user! 2003-12-18 #1 [] 请问使用hashtable时,怎么计算hashtable中的所有列值有几个,就是放入的字段有几个。
7 7syw Unregistered / Unconfirmed GUEST, unregistred user! 2003-12-19 #2 java.util.Hashtable t =new java.util.Hashtable() ; t.put("dd","ddddd"); t.put("dd1","ddddd1"); System.out.println(t.size());
java.util.Hashtable t =new java.util.Hashtable() ; t.put("dd","ddddd"); t.put("dd1","ddddd1"); System.out.println(t.size());