package object_out;
import java.util.HashMap;
import java.util.concurrent.ConcurrentHashMap;
public class TestAddItem {
ConcurrentHashMap hm = new ConcurrentHashMap();
void doCommonMethods() {
hm.clear();
hm.containsKey("a_key");
hm.containsValue("a_value");
hm.entrySet();
hm.get("a_key");
hm.isEmpty();
hm.keySet();
hm.put("a_key","a_value");
hm.putAll(new HashMap());
hm.remove("a_key");
hm.size();
hm.values();
}
}