i write code like this


[CODE=java]import java.util.*;

class TreeMapDemo
{
public static void main(String[] args)
{

Map tm=new TreeMap();

tm.put(" ravi " , new Double(23423.22 ));
tm.put(" raja " , new Double(45454.33 ));
tm.put(" anil " , new Double(77666.32 ));
tm.put(" mega " , new Double(34342.55 ));...