import com.blazebit.persistence.KeyValue; import com.blazebit.persistence.CriteriaBuilder; KeyValue<String, Integer> keyValue = new KeyValue<>("A", 1); String key = keyValue.getKey(); Integer value = keyValue.getValue(); CriteriaBuilder cb = new CriteriaBuilder(); import com.blazebit.persistence.collections.CollectionUtils; List<Integer> numbers = Arrays.asList(3, 1, 4, 1, 5, 9, 2, 6, 5); List<Integer> filteredList = CollectionUtils.filter(numbers, n -> n > 5); List<Integer> sortedList = CollectionUtils.sort(filteredList); List<String> transformedList = CollectionUtils.transform(sortedList, n -> "Number: " + n); import com.blazebit.persistence.strings.Strings; String message = "Hello, World!"; boolean startsWithHello = Strings.startsWith(message, "Hello"); boolean containsWorld = Strings.contains(message, "World"); String replacedMessage = Strings.replace(message, "Hello", "Hi");