Java tutorial
import java.util.LinkedHashMap; public class Main { public static void main(String[] args) { LinkedHashMap<String, Integer> map = new LinkedHashMap<String, Integer>(5, 0.75F); // add some values in the map map.put("One", 1); map.put("Two", 2); map.put("Three", 3); System.out.println(map); // clear the map map.clear(); System.out.println(map); } }