import com.google.common.collect.ArrayListMultimap; import com.google.common.collect.Multimap; public class MultimapExample { public static void main(String[] args) { Multimap<String, String> multimap = ArrayListMultimap.create(); multimap.put("Key1", "Value1"); multimap.put("Key1", "Value2"); multimap.put("Key2", "Value3"); multimap.put("Key2", "Value4"); multimap.put("Key3", "Value5"); multimap.remove("Key1", "Value2"); multimap.removeAll("Key2"); multimap.clear(); } }