/*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();
Hashtable hashtable2 = new Hashtable();
String [] s1 = {"SWLT","JavaAHZ","WSSD"};
String [] s2 = {"GSWJ","SRWJ","lWWJ"};
String [] s3 = {"BDCPc"."BDCPd","BDCPe"};
hashtable1.put("ZM",hashtable2);
hashtable2.put("SCJ",s1);
hashtable2.put("WDGWB",s2);
hashtable2.put("WDDN",s3);
JTree jTree = new JTree(hashtable1);
JScrollPane scrollPane = new JScrollPane();
scrollPane.setViewportView(jTree);
Container con = f.getContentPanel();
con.add(scrollPane);
f.setSize(300,200);
f.setLoction(500,100);
f.setVisible(true);
f.addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e){
System.exit(0);
}
});
}
}
public class Example{
public static void main(String[] args){
new TreesDemo();
}
}