/*?代表一個數據點numAttributes值組成的屬性?*/
	class?DataPoint?{
		public?int?[]attributes;

		public?DataPoint（int?numattributes）?{
			attributes?=?new?int[numattributes];
		}
	}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????187??2011-11-17?11:05??src\DataPoint.java

?????文件???????9254??2011-11-17?11:35??src\ID3.java

?????文件????????348??2011-11-05?23:20??src\playtennis.txt

?????文件????????434??2011-11-05?23:12??src\playtennis2.txt

?????文件?????????52??2011-11-06?00:15??src\testdata.txt

?????文件????????548??2011-11-17?11:04??src\TreeNode.java

?????目錄??????????0??2011-12-21?20:55??src

-----------?---------??----------?-----??----

????????????????10823????????????????????7