import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
public class MultimapExample {
public static void main(String[] args) {
Multimap<String, Integer> multimap = ArrayListMultimap.create();
multimap.put("A", 1);
multimap.put("A", 2);
multimap.put("B", 3);
System.out.println(multimap.get("A")); // Output: [1, 2]
System.out.println(multimap.get("B")); // Output: [3]
multimap.remove("A", 2);
System.out.println(multimap.get("A")); // Output: [1]
multimap.put("A", 4);
System.out.println(multimap.get("A")); // Output: [1, 4]
}
}
