摘要：
/*利用哈希表的数量来建立树结构*/ class TreesDemo extends JPanel{ public TreesDemo(){ JFrame f = new JFrame("Hashtable"); Hashtable hashtable1 = new Hashtable(); Has 阅读全文
摘要：
/*最简单的JTree示例*/ class MyTree extends JFrame{ public MyTree(String s){ super(s); Container con = new getContentPane(); DefaultMutableTreeNode root = ne 阅读全文