Ява распаковка
import java.util.ArrayList;
class Main {
public static void main(String[] args) {
ArrayList<Integer> list = new ArrayList<>();
//autoboxing
list.add(5);
list.add(6);
System.out.println("ArrayList: " + list);
// unboxing
int a = list.get(0);
System.out.println("Value at index 0: " + a);
}
}
SAMER SAEID