/*
Remove all values from Java HashMap example
This Java Example shows how to remove all values from HashMap object or empty
HashMap or clear HashMap using clear method.
*/
import java.util.HashMap;
public class EmptyHashMapExample {
public static void main(String[] args) {
//create HashMap object
HashMap hMap = new HashMap();
//add key value pairs to HashMap
hMap.put("1","One");
hMap.put("2","Two");
hMap.put("3","Three");
/*
To remove all values or clear HashMap use
void clear method() of HashMap class. Clear method removes all
key value pairs contained in HashMap.
*/
hMap.clear();
System.out.println("Total key value pairs in HashMap are : " + hMap.size());
}
}
/*
Output would be
Total key value pairs in HashMap are : 0
*/
