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Java program to convert Map (HashMap) to List (ArrayList)


Program
import java.util.*;
public class MapToList {
public static void main(String[] args) {
Map<Integer, Character> map = new HashMap<>();
map.put(1, 'a');
map.put(2, 'e');
map.put(3, 'i');
map.put(4, 'o');
map.put(5, 'u');
List<Integer> key = new ArrayList(map.keySet());
List<Character> value = new ArrayList(map.values());
System.out.println("Key :" + key);
System.out.println("Value :" + value);
}
}
 
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Input
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