从LinkedHashMap获取键的Set视图

/** 
 来自 n o w j a v a . c o m**/


import java.util.Iterator;

import java.util.LinkedHashMap;

import java.util.Set;

 

public class Main {

 

  public static void main(String[] args) {

    LinkedHashMap lHashMap = new LinkedHashMap();

   

    lHashMap.put("1","One");

    lHashMap.put("2","Two");

    lHashMap.put("3","Three");

   

    Set st = lHashMap.keySet();

   

    System.out.println("Set created from LinkedHashMap Keys contains :");

    Iterator itr = st.iterator();

    while(itr.hasNext())
    /* 
     来自 
    *时 代 J a v a*/

      System.out.println(itr.next());

     

    st.remove("2");