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public class Test {
public static void main(String[] args) {
LinkedHashMap<String,String> a=new LinkedHashMap<String,String>();
a.put("a", "1");
a.put("b", "2");
a.put("c", "3");
for(String b:a.keySet()){
System.out.println(b+"值为:"+a.get(b));
}
}
}
输出为
a值为:1
b值为:2
c值为:3
想要倒序输出怎么实现
迷茫2017-04-18 10:52:17
Test en classe publique {
public static void main(String[] args) {
LinkedHashMap<String,String> linkedhashmap = new LinkedHashMap<String,String>();
linkedhashmap .put("a", "1");
linkedhashmap .put("b", "2");
linkedhashmap .put("c", "3");
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());
}
}
}