How to Use Tables With the JTable (in the API reference documentation) class you can display tables of data, optionally allowing the user to edit the data. JTable doesn t contain or cache data it s simply a view of your data. Here s a picture of a typical table displayed within a scroll pane
樣板 B 樹 ( B - tree )
規(guī)則 :
(1) 每個節(jié)點內(nèi)元素個數(shù)在 [MIN,2*MIN] 之間, 但根節(jié)點元素個數(shù)為 [1,2*MIN]
(2) 節(jié)點內(nèi)元素由小排到大, 元素不重複
(3) 每個節(jié)點內(nèi)的指標個數(shù)為元素個數(shù)加一
(4) 第 i 個指標所指向的子節(jié)點內(nèi)的所有元素值皆小於父節(jié)點的第 i 個元素
(5) B 樹內(nèi)的所有末端節(jié)點深度一樣
