| Type | Field | Summary |
|---|---|---|
| static List | EMPTY_LIST | The empty list (immutable). |
| static Map | EMPTY_MAP | The empty map (immutable). |
| static Set | EMPTY_SET | The empty set (immutable). |
| static<T> List<T> | emptyList() | Returns the empty list (immutable). |
| static<K,V> Map<K,V> | emptyMap() | Returns the empty map (immutable). |
| static<T> Set<T> | emptySet() | Returns the empty set (immutable). |
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.Set;
public class Main {
public static void main(String args[]) {
List list = Collections.EMPTY_LIST;
Set set = Collections.EMPTY_SET;
Map map = Collections.EMPTY_MAP;
List<String> s = Collections.emptyList();
Set<Long> l = Collections.emptySet();
Map<Date, String> d = Collections.emptyMap();
}
}
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