Possible Duplicate:
How do I iterate over each Entry in a Map?
i have map like
HashMap<Integer, ArrayList<String>> map = = new HashMap<Integer, ArrayList<String>>();
i want iterate this type of map please give me example how to iterate this map
Possible Duplicate:
How do I iterate over each Entry in a Map?
i have map like
HashMap<Integer, ArrayList<String>> map = = new HashMap<Integer, ArrayList<String>>();
i want iterate this type of map please give me example how to iterate this map
for (Map.Entry<String, ArrayList<String>> entry : map.entrySet()) {
String key = entry.getKey();
ArrayList<String> value = entry.getValue();
for(String aString : value){
System.out.println("key : " + key + " value : " + aString);
}
}
You can do like this:
for (Integer i : map.keySet())
for (String s : map.get(i))
System.out.println("key :" + i + " value: " + s);