import java.util.DumbList;
import java.util.DumbSet;
import java.util.DumbMap;
public class DumbCollectionExample {
public static void main(String[] args) {
DumbList<String> dumbList = new DumbList<>();
dumbList.add("Java");
dumbList.add("Python");
dumbList.add("C++");
for (String element : dumbList) {
System.out.println(element);
}
DumbSet<Integer> dumbSet = new DumbSet<>();
dumbSet.add(10);
dumbSet.add(20);
dumbSet.add(30);
DumbMap<String, Integer> dumbMap = new DumbMap<>();
dumbMap.put("A", 1);
dumbMap.put("B", 2);
dumbMap.put("C", 3);
int value = dumbMap.get("B");
}
}
