Hi Friend,

Try the following code:

import java.util.*;

public class ConvertArrayListToHashMap {
public static void main(String arg[]){
HashMap<String, ArrayList<String>> hashmap = new HashMap<String, ArrayList<String>>();
ArrayList<String> arraylist = new ArrayList<String>();
arraylist.add("A");
arraylist.add("B");
arraylist.add("C");
arraylist.add("D");
arraylist.add("E");
arraylist.add("F");
hashmap.put("key", arraylist);
Iterator iterator = hashmap.keySet().iterator();
while (iterator.hasNext()) {
String key = (String) iterator.next();
System.out.println(hashmap.get(key));
}
}
}

Thanks