1998 shaares
22 results
tagged
Map
patch.forEach(target::putIfAbsent);
testMap.entrySet().stream().map(Object::toString).collect(Collectors.joining(",")));
public static <T, E> Set<T> getKeysByValue(Map<T, E> map, E value) {
return map.entrySet()
.stream()
.filter(entry -> Objects.equals(entry.getValue(), value))
.map(Map.Entry::getKey)
.collect(Collectors.toSet());
}
