treemapdemo.java

HashMapDemo.java --- --- --- --- --- --- --- --- --- --- --- --- 这是这个工程的README文件

//例15-8. TreeMapDemo.java

import java.util.*;
import java.io.*;

public class TreeMapDemo {
	public static void main(String[] args) {
		TreeMap tm = new TreeMap();
		Hashtable tempHt = new Hashtable();
		tempHt.put("2",new Long(2));
		tempHt.put("1","one");
		tm.put("6.Hashtable",tempHt);
		tm.put("3.Integer",new Integer(1));
		tm.put("5.Double",new Double(4.0));
		tm.put("4.File",new File("test.txt"));
		Set s = tm.keySet();
		Iterator i = s.iterator();
		while ( i.hasNext() ) {
			Object k = i.next();
			Object v = tm.get(k);
			System.out.print(k+"="+v+"  ");
		}
	}
}