import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.Multimap;
public class Main {
public static void main
(String[] args
) { Multimap
<String, Integer
> multimap
= ArrayListMultimap.
create();
multimap.put("a", 1);
multimap.put("a", 2);
// Remove all elements associated with key "a"
multimap.removeAll("a");
// Check if the key "a" is still present
System.
out.
println("Contains key 'a': " + multimap.
containsKey("a")); }
}
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