首页 > 技术文章 > Java LinkedHashMap 逆序遍历

liuxiaoming123 2017-09-05 19:21 原文

利用

ListIterator<pre name="code" class="java">previous  
import java.util.ArrayList;  
import java.util.LinkedHashMap;  
import java.util.ListIterator;  
import java.util.Map;  
   
public class TextListIterator {  
   
    public static void main(String[] args) {  
        LinkedHashMap <String,String > linkedhashmap = new LinkedHashMap<String,String>(10, 0.75f, true);  
        linkedhashmap.put("1","a");  
        linkedhashmap.put("2","b");  
        linkedhashmap.put("3","c");  
        linkedhashmap.put("4","d");  
        ListIterator<Map.Entry<String,String>> i=new ArrayList<Map.Entry<String,String>>(linkedhashmap.entrySet()).listIterator(linkedhashmap.size());  
        while(i.hasPrevious()) {  
            Map.Entry<String, String> entry=i.previous();  
            System.out.println(entry.getKey()+":"+entry.getValue());  
        }  
    }  
   
}  

 

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