9. 26. 19. Removal of all elements from a map: public void clear()
import java.util.HashMap; import java.util.Map;
public class MainClass { public static void main(String[] a) {
Map map = new HashMap();
map.put("key1", "value1");
map.put("key2", "value2");
map.put("key3", "value3");
map.clear();