Метод java search ()
import java.util.concurrent.ConcurrentHashMap;
class Main {
public static void main(String[] args) {
ConcurrentHashMap<String, Integer> numbers = new ConcurrentHashMap<>();
numbers.put("One", 1);
numbers.put("Two", 2);
numbers.put("Three", 3);
System.out.println("ConcurrentHashMap: " + numbers);
// Using search()
String key = numbers.search(4, (k, v) -> {return v == 3 ? k: null;});
System.out.println("Searched value: " + key);
}
}
SAMER SAEID