Remove all values from HashMap in Java
Description
The following code shows how to remove all values from HashMap.
Example
/* ww w . j a v a 2s . c o m*/
import java.util.HashMap;
public class Main {
public static void main(String[] args) {
HashMap<String,String> hMap = new HashMap<String,String>();
hMap.put("1", "One");
hMap.put("2", "Two");
hMap.put("3", "Three");
hMap.clear();
System.out.println(hMap.size());
}
}
The code above generates the following result.
